1. Lub qhov rooj vaj huam sib luag yuav tsum tau muab ntxuav thiab so ntau zaus.Stainless hlau qhov rooj panels yuav tsum tau qhuav kom tsis txhob deformation.High-gloss qhov rooj panels yuav tsum tau muab so nrog ib daim ntaub huv si zoo;khoom ntoo rooj vaj huam sib luag yog qhov zoo tshaj plaws ntxuav nrog rooj tog dej ciab;Crystal qhov rooj panels tuaj yeem ntxuav nrog ib daim ntaub flannel lossis maj mam so nrog cov ntaub qhuav;lacquered qhov rooj panels yuav tsum tau dampened nrog ib tug nplua-grained tu daim ntaub thiab lub nruab nrab ntxuav kua kom tsis txhob khawb.

2. Thaum ntxuav lub qhov rooj hlau stainless, thov tsis txhob siv cov khoom tawv thiab tsis txhob siv cov tshuaj ua cov tshuaj ntxuav kom tsis txhob ua rau lub qhov rooj puas.

3. Lub qhov rooj yuav tsum tau tiv thaiv los ntawm tshav ntuj ncaj qha rau lub sijhawm ntev los tiv thaiv lub qhov rooj ntawm lub qhov rooj los ntawm deforming, discoloring thiab tawg.

4. Qhib thiab kaw lub qhov rooj txee nrog lub zog tsim nyog tuaj yeem ua rau lub neej ua haujlwm ntev.