Bututun ƙarfe na musamman mai siffa zai iya dacewa da yanayin yanayin sabis, adana ƙarfe da haɓaka yawan aiki na masana'anta.Ana amfani da shi sosai a cikin jirgin sama, mota, ginin jirgi, injinan hakar ma'adinai, injinan noma, gini, yadi da masana'antar tukunyar jirgi.Zane mai sanyi, walda lantarki, extrusion, birgima mai zafi da sauransu sune hanyoyin samar da bututu masu siffa na musamman, daga cikinsu an yi amfani da hanyar zane mai sanyi sosai.