Khetha i-20Crmo, i-42Crmo, i-40CrNiMo i-alloy materials.Ukunyangwa, umatshini, unyango lobushushu, ukudutyulwa kokudubula, ukugaya kunye nezinye iinkqubo zokusetyenzwa zisetyenziselwa ukuphucula ukuxhathisa kwe-Abrasion kunye nokumelana nempembelelo yeemveliso, kunye nokwandisa ubomi benkonzo yeemveliso.