E ai ki te pikitia o raro matau, kua whakauruhia ngā whakaurunga PDC dome me ngā whakaurunga carbide ki roto i te mata patu kotahi. Whai muri i te whakamātautau, kua tawhito ngā whakaurunga carbide.

E ai ki te pikitia o raro matau, kua whakauruhia ngā whakaurunga PDC dome me ngā whakaurunga carbide ki roto i te mata patu kotahi. Whai muri i te whakamātautau, kua tawhito ngā whakaurunga carbide.
