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Kev nyab xeeb npaum li cas yog kev tua hluav taws ua npuas ncauj?
Cov neeg tua hluav taws siv aqueous Film-forming ua npuas ncauj (AFFF) los pab tua hluav taws nyuaj, tshwj xeeb yog hluav taws uas muaj roj av lossis lwm yam kua hluav taws xob, hu ua Class B hluav taws. Txawm li cas los xij, tsis yog txhua lub foob pob hluav taws raug cais raws li AFFF. Qee cov AFFF formulations muaj cov chav kawm ntawm chemi ...Nyeem ntxiv
