Hluav taws kub extinguisher hnub tas sij hawm

1. Lub sij hawm siv tau Lub tshuab hluav taws xob ua npuas dej, siv tau rau ib xyoos, kho ib xyoos ib zaug; carbon dioxide tua hluav taws, siv tau ob xyoos, kho txhua ob xyoos; Qhuav hmoov hluav taws tua hluav taws, siv tau ob xyoos, kho txhua ob xyoos; 1211 hluav taws tua hluav taws, siv tau tsib xyoos, txij nkawm xyoo nyob ntawm kev cia. 2. Lub neej seem ntawm lub tshuab tua hluav taws thaum lub sij hawm scraping Lub tshuab tua hluav taws yuav tsum tau muab pov tseg yog tias nws mus txog xyoo tom ntej txij li hnub tsim khoom: portable chemical foam fire extinguishers - 5 xyoo; portable acid thiab alkali tua hluav taws - 5 xyoo;