1. Mechanical Polishing Mechanical polishing ndeyekuvimba nekucheka, deformation yepurasitiki yechiso chechinhu kubvisa chikamu che convex chenzvimbo yakakwenenzverwa uye kuwana yakatsetseka pamusoro pekupukuta nzira, kazhinji uchishandisa matombo emafuta, mavhiri emvere dzemakwai, sandpaper, nezvimwe. , inonyanya kushandiswa nemaoko,...
Verenga zvimwe