Põlevkõrvalturvaline torupumbakeskus, horisontaalne kahekordne torupump

1. ISWB plahvatusväline horisontaalne tsentrifugalpump tutvustusISWB plahvatusväline horisontaalne ühetasemeline ühesuundeline tsentrifugalpump koosneb kolmest osast: pumpist, mootorist ja alustast. Pumpi struktuuri koosnevad pumpikorp, tamm, pumpikate, mehaaniline sissehoidja ja muud osad. See on ühetasemeline ühesuundeline horisontaalne tsentrifugalpump, kus pumpikorp ja pumpikate on lahutatud tammi tagant, st see on tagavahetusstruktuur. Enamikel pumpidel on tammi ees- ja tagapoolel sissehoidusõrmused, ja tammi tagakateal on tasakaaluvõivad aukud, et tasakaalustada rotoorile mõjuvateline jõud. Pumpi sissevool on aksiaaline horisontaalne, väljavool on vertikaalselt ülespaigutatud. Pump ja mootor on samas teljel, ja mootori teljeümbritsel osa kasutab kahekülgset kontaktpallikarahvendi struktuuri, mis osaliselt tasakaalustab pumpi jäägset teljijõudu. Pump ja mootor on ühendatud, paigaldamiseks pole vaja korrastada, neil on ühine alus, ja neil on kasutatud JG-tüüpi vibratsioonihoidjaid, et vältida vibratsioone. See on muudetud versioon ISW horisontaalsetest tsentrifugalpumpidest, see on varustatud plahvatusväisega mootoriga ja vasktammiga, selleks et transportida bensiin, keroosi, diisel ja muud õlivõtted või easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easily easi