1. Kuti chipinda chopopera mpweya chikhale bwino, liwiro la mpweya liyenera kuyendetsedwa mkati mwa (0.25 ~ 1) m/s malinga ndi malamulo a Labor Safety and Health. Mpweya wotuluka mpweya m'chipinda chopopera mpweya ndi waukulu, kuchuluka kwa nthunzi yosungunulira ndi kochepa kwambiri (gawo lake la voliyumu ndi pafupifupi 10-3% ~ 2×10-'%). Kuphatikiza apo, mpweya wotuluka mpweya m'chipinda chopopera mpweya ulinso ndi gawo la utoto wopangidwa ndi kupopera.
Kukula kwa tinthu ta fumbi ili (lacquer fog drops) ndi pafupifupi (20 ~ 200) μm kapena kuposerapo, palibe mphepo yayikulu yomwe ikuuluka kutali, ndipo imayambitsa ngozi kwa anthu onse, komanso imakhala chopinga pakukonza mpweya wotayika, izi ziyenera kusamalidwa.
2. Ntchito ya mpweya woumitsa chipinda chotulutsa mpweya m'chipindamo ndi kupanga chophimba mu utoto, kuumitsa kapena kuumitsa mokakamiza kale, kotero kuti gawo la zosungunulira mu filimuyi limakhala losalala komanso lopanda mphamvu komanso kupanga filimu yabwino, nthawi zambiri ndi kukulitsa njira yopangira chipinda chopaka utoto, mu utsi uwu muli nthunzi yokha yosungunulira, ndipo pafupifupi palibe utoto wothira.
3. Mpweya wotuluka mu chipinda chowumitsira Mpweya wotuluka mu chipinda chowumitsira, kuphatikizapo mpweya wotuluka mu makina opaka utoto ndi makina opaka mafuta. Woyamba uli ndi chosungunulira chotsalira mu filimu yophimba chomwe sichinasunthike mu chipinda chopopera ndi chipinda chowumitsira, gawo la zinthu zosasunthika monga pulasitiki kapena resin monomer, zinthu zowola kutentha, zinthu zochitira. Womalizawu umagwiritsidwa ntchito ngati gwero la kutentha kwa mpweya wotuluka mu mafuta. Kapangidwe kake kamasiyana malinga ndi mafuta, monga kuyatsa mafuta olemera, okhala ndi sulfure yambiri popanga mpweya wa sulfite, kutentha kwa uvuni kumakhala kochepa, kusintha kwa ntchito komanso kusasamalira bwino, chifukwa cha kuyatsa kosakwanira komanso utsi. Kugwiritsa ntchito mafuta a gasi, ngakhale mtengo wa mafuta ndi wokwera ndipo mpweya wotuluka mu mafuta ndi womveka bwino, pali mtengo wotsika wa zida, kusakonza kosavuta, komanso ubwino wambiri wa kutentha. Pamene magetsi ndi nthunzi zimagwiritsidwa ntchito ngati magwero a kutentha mu chipinda chowumitsira, mpweya wotuluka mu makina opaka mafuta suganiziridwa.
