Ole fua ole vaila'au ole C2H4. Ose vaila'au fa'ameamata mo alava fa'aalava, pa'u fa'ameamea, palasitika gaosia (polyethylene ma le polyvinyl chloride), ma le ethanol synthetic (ava). E faʻaaogaina foi e fai ai vinyl chloride, styrene, ethylene oxide, acetic acid, acetaldehyde, ma expl ...
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