Nrog rau kev txhim kho txuas ntxiv ntawm cov txheej txheem thev naus laus zis, daim ntawv thov ntawm rab phom tsis siv neeg yog ntau thiab ntau dua. Nco ntsoov txhua tus neeg uas siv rab phom tsis siv neeg yuav tsum siv kom tsim nyog raws li tus qauv kev ua haujlwm kom tau txais cov tshuaj txau zoo. Tsis tas li ntawd, kev txav ceev ntawm rab phom tsis siv neeg txau yuav cuam tshuam rau cov nyhuv pleev xim, yog li ua tib zoo saib xyuas kom tsim nyog ceev thaum lub sijhawm ua haujlwm.
Thaum lub sijhawm ua haujlwm txau, qhov txav nrawm ntawm rab phom tsis siv neeg txau muaj qhov cuam tshuam zoo rau cov nyhuv txheej.
1. Yog tias rab phom tsis siv neeg txav nrawm dhau, txheej txheej ntawm cov khoom yuav tsum tau coated yog nyias, thiab nws zoo li qhuav, tsis zoo nyob rau hauv leveling, thiab ntxhib.
2. Yog tias qhov txav ceev ntawm rab phom tsis siv neeg txau yog qeeb, txheej txheej zaj duab xis ntawm cov khoom yuav tsum tau coated yuav tsum tau lig heev, thiab nws yooj yim ua rau sagging.
3. Qhov zoo tshaj plaws txav ceev ntawm rab phom txau yog tias tom qab cov tshuaj tsuag tiav lawm, cov txheej txheej ntawm cov khoom yuav tsum tau coated yog tag nrho, sib xws thiab ntub dej. Qhov no xav kom cov neeg ua haujlwm nrog qee yam kev tshuaj tsuag los tswj.
