1. Txheeb xyuas cov khoom ntawm sab nraud. Cov ntaub pua plag sab nraud ntawm cov kab hlau txias feem ntau yog txhuas alloy, stainless hlau, thiab yas hlau. Aluminium alloy cov ntaub ntawv suav nrog cov khoom tshwj xeeb thiab cov phaj txhuas. Qhov zoo tshaj ntawm cov txheej txheem tshwj xeeb yog siab dua li cov txhuas phaj ua; Cov hlau stainless yog tsim los ntawm phaj ua, thiab cov stainless hlau txheej txheej yuav tsum tau txheeb xyuas qhov tseeb ntawm cov hlau stainless; Cov khoom yas yas tsis muaj zog txaus thiab tsis tshua siv siv.
2. Txheeb xyuas qhov zoo ntawm cov ntaub ntawv dej pov tseg. Muab koj txhais tes tiaj tus rau ntawm cov ntaub ntawv ntaub thaiv dej thiab kov nws rov qab los. Qhov zoo tshaj ntawm qhov nyuaj tshaj plaws yog siab dua li ntawm tus me. Qhia cov ntaub ntawv dub dub los ntawm cov xim tshaj cov khoom siv lub teeb.
