Simbi inodzivirirwa nemamiriro ekunze isimbi isingadziviriri mumhepo inofefetera mumhepo, inova yesimbi yakadzika-alloy yakakwirira-simba.Zvinoenderana nehunhu hwayo hukuru, yakakamurwa kuita yakakwirira-inodzivirira mamiriro ekunze simbi uye nemamiriro ekunze-resistant simbi kune welded zvivakwa.
