M'zipinda zoyera za ma microelectronics ndi kupanga mankhwala, zinthu zosiyanasiyana za acidic ndi zamchere, zosungunulira organic, mpweya wamba, ndi mpweya wapadera nthawi zambiri zimagwiritsidwa ntchito kapena kupangidwa popanga;mu allergenic mankhwala, ena steroids Popanga mankhwala organic, yogwira kwambiri ndi poizoni mankhwala, lolingana zinthu zoipa adzatulutsidwa kapena kutayikira mu chipinda choyera.Choncho, kupanga ndondomeko zipangizo kapena njira kuti akhoza kutulutsa zinthu zoipa zosiyanasiyana, mpweya kapena fumbi mu chipinda woyera kupanga zinthu pamwamba Kukhazikitsa m'deralo utsi chipangizo kapena zonse chipinda utsi chipangizo.Malinga ndi mtundu wa gasi wotayika womwe umatulutsidwa panthawi yopanga, chipangizo chotulutsa mpweya (dongosolo) chikhoza kugawidwa m'magulu otsatirawa.
(1) General exhaust system
(2) Dongosolo lotulutsa mpweya wachilengedwe
(3) Acid gasi utsi dongosolo
(4) Dongosolo la mpweya wa alkaline
(5) Njira yotulutsa mpweya wotentha
(6) Dongosolo la utsi lomwe lili ndi fumbi
(7) Njira yapadera yotulutsa mpweya
(8) Dongosolo lowopsa komanso lapoizoni lotayira popanga mankhwala