Txiv kab ntxwv tev yog ib hom deg tiav uas tshwm sim vim tsis muaj cov txheej txheem polishing kom raug lossis siv cov txheej txheem polishing tsis raug. Txhawm rau zam qhov tshwm sim ntawm txiv kab ntxwv tev, siv hom polishing kom raug thiab cov txheej txheem. Siv lub tshuab polisher, ua ke nrog lub npuas npuas, thiab ua haujlwm nyob rau hauv kev sib tshooj ncig. Nco ntsoov ua kom lub taub hau buffing txav thaum polishing kom tsis txhob hlawv cov xim. Thaum kawg, siv ib daim ntaub huv, mos los txhuam cov khoom seem tom qab polishing.
