Kev ceev faj rau kev tuav pov hwm kom zoo Tsis txhob kov daim tawv nqaij thiab qhov muag. Cov chaw da dej thaum muaj xwm txheej ceev thiab chaw ntxuav qhov muag yuav tsum yooj yim nkag mus tau. Ua raws li cov cai ua haujlwm uas tau tsim los ntawm tsoomfwv cov cai. Tsis txhob kov qhov muag. Siv cov khoom siv tiv thaiv tus kheej. Thaum siv, tsis txhob noj, haus lossis haus luam yeeb. Cov xwm txheej rau kev khaws cia kom zoo, suav nrog txhua yam tsis sib xws Tsis txhob khaws cia ze cov kua qaub. Khaws cia rau hauv cov thawv hlau zoo dua nyob sab nraum zoov, saum av, thiab nyob ib puag ncig los ntawm cov kwj dej kom muaj cov dej ntws lossis xau. Khaws cov thawv kom nruj rau hauv qhov chaw qhuav, txias thiab muaj cua nkag tau zoo. Kev siv kawg tshwj xeeb Saib ntu 1 lossis SDS txuas ntxiv yog tias siv tau