Hauj lwm lawm
Kev tsis
Cov cuab yeej ntxuav yog cov khoom siv uas siv tau nrog cov khoom siv sib txawv, muaj peev xwm ntxuav tau cov khoom siv sib txuas, cov kab kev ua haujlwm tau los ntawm lub zog cua sov, Tshwj xeeb kua tu disinfectant siphon atomizes nozzle txav tau yooj yim rau kev hloov pauv ntawm ob lub voj voog ntawm ob peb units.. {5}..}} duct tuaj yeem txo qhov tshwm sim ntawm cov pa tshiab .
