Inkcazo emfutshane:

Umgangatho ophezulu we-alumina abrasives kunye ne-resin abrasives iyatshiswa.

Iimpawu zemveliso: ukhuseleko lwemveliso, ukusebenza ngokugqibeleleyo, ukuchaneka okuphezulu, ukunxiba okungagungqiyo, okuzinzileyo kunye nokuhlala ixesha elide, kunye neempawu zokumelana nokuqina okuphezulu, ukumelana nefuthe, ukugoba, ukumelana nokukhawuleza, ukusila okugudileyo, ubomi obude benkonzo.

Imveliso isetyenziselwa ikakhulu: ukugaya, ukususa umhlwa, ipolishi, ukugaya isinyithi, ukuguba umthungo wokugaya, ukuwelda umthungo, kunye nomphezulu wendlela.