Thaum muas lub kaum sab xis valve, nws yog qhov zoo dua los xaiv lub kaum sab xis ntawm lub kaum ntse ntse, thiab xyuas cov ntawv xeem; nyob rau hauv cov ntaub ntawv ntawm lub teeb txaus, koj tuaj yeem tso lub kaum sab xis ntawm koj txhais tes thiab saib nws. Qhov saum npoo yuav tsum ci li daim iav, tsis muaj oxidation me ntsis, tsis muaj burrs lossis xuab zeb thaum koj kov nws; Thaum koj kov lub faucet nrog koj cov ntiv tes, cov ntiv tes yuav tawg sai sai thiab nws tsis yooj yim rau kev xa cov nplai. Thaum yuav cov kav dej thiab cov khoom siv tu cev, koj yuav tsum tau ua tib zoo thov rau daim ntawv qhia txog cov khoom zoo thiab muab cov ncauj lus kom ntxaws.
