1. Xaiv qhov loj me me kom ua tiav qhov kev sib tsoo uas xav tau.
2. Hloov cov ntawv xuab zeb sai sai tom qab siv kom tsis txhob muaj kev phom sij rau kev siv tom ntej.
3. Siv txawm tias siab thaum sib tsoo kom tsis txhob dhau - sib tsoo thiab poob ntawm qhov ntse.
Nyob rau hauv luv luv, sandpaper yog ib qho cuab yeej siv tes siv rau polishing thiab sib tsoo ntau yam ntaub ntawv. Thaum xaiv thiab siv cov ntawv xuab zeb, nws yog ib qho tsim nyog yuav tsum xaiv qhov tsim nyog grit loj thiab cov khoom siv raws li cov khoom siv los ua tiav thiab cov kev sib tsoo uas xav tau kom ua haujlwm tau zoo thiab ua haujlwm tau zoo.
