Lub tshuab zeb polishing tshuab puas tuaj yeem siv cov ntaub plaub hlau?

Raws li cov ntaub ntawv tseem ceeb, lub tshuab polishing ceev ceev rau pob zeb tuaj yeem siv cov ntaub plaub hlau. Thaum cov hlau hlau wool polished, cov kev tu thiab polishing tshwm sim ib txhij, thiab cov cua sov yog tsim los ntawm kev sib txhuam los ntawm kev sib xyaw ua ke ntawm cov khoom hnyav thiab kev sib hloov ceev. Yog li, tus neeg saib xyuas los yog polishing reacts nrog rau saum npoo ntawm pob zeb, thiab tus neeg sawv cev ua kom sov los ntawm kev sib txhuam, ua rau cov tshuaj ntxuav.