Kwinkqubo yokuveliswa kweemveliso zefenitshala, iinkuni kufuneka zicolwe kwaye zicocwe, kwaye iibhanti zesanti ze-alumina ezixutyiweyo ezimdaka kunye neebhanti zesanti ze-silicon carbide zifanelekile ukukhetha.
Iibrasives ze-alumina ezixubeneyo ezimdaka kunye ne-silicon carbide abrasives kumphezulu webhanti yesanti zisebenzisa inkqubo yesanti etyalwe kancinci, kwaye isebenzise ukuxhaswa kwelaphu kunye nokuxhaswa kwephepha ngokweempawu ezithile zomthi (ubuninzi, ukufuma, i-oyile, kunye nokuqina).