Xaiv lub raj mis zawv plaub hau yuav tsum xav txog cov yam ntxwv ntawm cov tshuaj zawv plaub hau thiab cov kev npaj siv, suav nrog ntau yam.
Ua ntej thiab qhov tseem ceeb, ua qhov tseem ceeb ntawm cov khoom siv sib xws. Cov khoom xaiv yuav tsum tsis txhob hnov qab nrog cov khoom xyaw hauv cov tshuaj zawv plaub hau kom tiv thaiv kev lwj lossis lub raj mis ua haujlwm tsis zoo.
Khaws lub foob. Xyuas kom lub foob tsis zoo thiab tias lub hau haum rau lub raj mis kom zoo. Kev sib khi tsis zoo tuaj yeem ua rau cov dej xau thiab evaporation, cuam tshuam rau cov neeg siv kev paub.
Tshawb xyuas lub raj mis qauv. Tshawb xyuas cov tuab tuab, npuas, tawg, lossis lwm yam tsis xws luag. Xyuas kom lub raj mis qhib qhov loj yog tus qauv thiab sib xws nrog cov khoom ntim khoom thiab lub kaus mom.
Tsis tas li ntawd, xav txog lub raj mis lub peev xwm. Nws yuav tsum tsim nyog rau tus nqi ntawm cov tshuaj zawv plaub hau dispensed. Kuj xav txog qhov tuav thiab yooj yim ntawm kev siv. Xyuas kom meej tias cheeb tsam daim ntawv lo loj txaus rau cov ntaub ntawv meej meej kom tau raws li cov kev xav tau ntawm kev siv yooj yim.
