An yafi amfani da surface jiyya (wato preheating, tsatsa kau, Paint spraying da bushewa) na karfe farantin karfe da kuma daban-daban tsarin sassan, kazalika da tsaftacewa da srenghening na karfe tsarin sassa.
Zai fitar da sifofin watsa labarai masu lalata /karfe zuwa saman ƙarfe na kayan aikin a ƙarƙashin ƙarfin iska.Bayan fashewar, saman karfen zai fito da haske iri ɗaya, wanda zai haɓaka ingancin miya.