Khaws rau hauv qhov chaw txias, qhuav thiab zoo-ventilated warehouse.
Khaws kom deb ntawm qhov hluav taws kub thiab qhov chaw kub.
Tsis txhob tshav ntuj ncaj qha.
Lub ntim yuav tsum raug kaw thiab tiv thaiv los ntawm noo noo.
Nws yuav tsum tau muab cais los ntawm oxidants thiab alkalis, thiab tsis txhob sib xyaw cia.
Nruab nrog qhov tsim nyog ntau yam thiab ntau ntawm cov khoom siv hluav taws xob.
Qhov chaw cia khoom yuav tsum tau nruab nrog cov ntaub ntawv tsim nyog kom muaj cov xau.
