Cia prefeutions khw muag khoom hauv lub tsev rau khoom txias, ventilated warehouse. Tseg deb ntawm hluav taws thiab cov khoom cua sov. Lub pob yog ntim. Nws yuav tsum tau muab cais cais los ntawm oxidants, txo cov neeg sawv cev, acids, alkalis, thiab tshuaj noj kom huv thiab tsis txhob sib xyaw. Nruab nrog cov khoom tsim nyog ntau thiab ntau thiab ntau ntawm cov khoom siv hluav taws. Thaj chaw cia yuav tsum tau nruab nrog cov ntaub ntawv tsim nyog los muaj cov to.
