Ngwọta elu nke ihe ọkụkụ na-emetụta kpọmkwem ndakọrịta ya na anụ ahụ mmadụ. Anyị na-eji usoro ọgwụgwọ dị iche iche dị n'elu, dị ka polishing electrolytic, sandblasting, laser nhazi, wdg, iji melite nhụsianya elu, wettability na ihe ndị ọzọ nke ịkụnye. N'ime ha, electropolishing nwere ike imeziwanye elu elu, belata nchekasị, ma belata ihe ize ndụ nke ọrịa; ájá ájá nwere ike ime ka ọ̀tụ̀tụ̀ dị elu dị elu ma kwalite uto anụ ahụ ọkpụkpụ.