Dab tsi yog lub hauv paus ntsiab lus ntawm kev tua hluav taws ua npuas ncauj?

Foam fire extinguishers feem ntau siv cov dej ua yeeb yaj kiab ua npuas dej tua hluav taws, thiab nitrogen yog cov tsav tsheb. Aqueous film-forming foam fire extinguishing agent tuaj yeem tsim ib txheej dej ntawm cov yeeb yaj kiab ntawm hydrocarbons sai sai uas tuaj yeem cuam tshuam lawv cov evaporation, thiab sai thiab zoo tua hluav taws los ntawm ob qho kev ua npuas dej thiab dej zaj duab xis.

Cov txheej txheem ntawm kev tua hluav taws muaj xws li: oxygen suffocation, endothermic cooling, thiab tshav kub hluav taws xob thaiv.