A aikace, an tabbatar da abubuwa daban-daban don kera sandunan busa. Waɗannan sun haɗa da ƙarfe na manganese, ƙarfe tare da tsarin martensitic (wanda ake magana da shi a cikin masu zuwa azaman ƙarfe na martensitic), chrome steels da Metal Matrix Composites (MMC, egceramic), wanda a cikinsa daban-daban karafa ...
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