Ukukhetha i-abrasive efanelekileyo yokuqhumisa umphezulu kuxhomekeke kwizinto eziqhunyiswayo, ukugqitywa okufunekayo, kunye nezinto eziqwalaselwayo kwindalo. Izinto eziphambili ziquka ubulukhuni, ubuninzi, imilo, kunye nobukhulu be-abrasive, kunye nokukwazi kwe-abrasive ukwenza iprofayili yomphezulu oyifunayo. En...
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