Cov lus piav qhia luv luv:

Hauv thaj teb ntawm kev siv tshuab polishing, Yousheng tau tsim cov ntawv tshiab abrasive rau polishing, suav nrog sandpaper thiab velvet lub cev, thiab ob yog laminated thiab ua ke. Velcro daim kab xev rau ntawm lub tais txuas nrog los ntawm lub cev lub cev, uas yooj yim sib sau ua ke thiab siv. Piv nrog cov pa polishing cov khoom, cov yam ntxwv tseem ceeb ntawm cov xuab zeb disc yog tias nws tuaj yeem nqus hmoov av thiab hmoov tsim nyob rau hauv kev ua tiav hauv lub sijhawm, txhim kho kev ua kom raug, thiab txo cov hmoov av thiab hmoov ya. Dhau li, nws muaj kev tiv thaiv ib puag ncig zoo. Tag nrho cov yeeb yam no tuaj yeem txhim kho kev ua haujlwm zoo.