Khaws rau hauv qhov chaw txias, qhuav, zoo-ventilated warehouse.
Khaws kom deb ntawm qhov hluav taws kub thiab cua sov.
Tiv thaiv los ntawm tshav ntuj ncaj qha.
Pob yog kaw.
Nws yuav tsum tau muab cais los ntawm cov kua qaub thiab cov tshuaj uas siv tau, thiab yuav tsum tsis txhob muab khaws cia ua ke.
Cov chaw khaws cia yuav tsum tau muab cov ntaub ntawv tsim nyog kom muaj cov txeej.
