Tswvyim.
Cov khoom siv hlau hlau muaj nyob hauv yuav luag txhua lub tsev lossis chaw haujlwm. Ntawm cov nplaim uas nyuaj rau ntxuav nrog xeb thiab tshuaj ntxuav, peb txhua tus xav tau kev pab ntawm cov hlau pob kom tshem tawm cov av nrog cov kev sib txhuam muaj zog ntawm cov hlau pob.
Cov ntawv thov qeb
Vim tias muaj kev sib txhuam muaj zog ntawm steel hlau pob, nws feem ntau yog siv rau cov khoom uas muaj saum npoo tsis yooj yim los ua kom tawg los ntawm kev txhuam, xws li hauv qab lauj kaub (tshwj tsis yog lub laujkaub), lub qhov cub, qhov cub siv hlau, thiab lwm yam.
Inapplicable Scope
Ib qhov chaw uas tawg tau yooj yim los ntawm kev txhuam. Piv txwv li, cov vuas luaj ceramic, cov tsis yog lub lauj kaub, ntoo pem teb, chav ua khoom siv chav dej, khoom siv yas, thiab lwm yam.