Dab tsi yog kev ceev faj rau kev khaws cia ntawm poov tshuaj sulfate?
Khaws rau hauv qhov chaw txias, ventilated warehouse.
Khaws kom deb ntawm qhov hluav taws kub, qhov chaw kub, cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob.
Kev haus luam yeeb yog txwv tsis pub nyob hauv chaw ua haujlwm
Tsis txhob tiv tauj nrog tus neeg sawv cev txo qis, alkali, alkali hlau.
Khaws nyob rau hauv inert cua, chav tsev kub
