I-Angle steel iyinsimbi ye-carbon structural yokwakha.Kuyingxenye elula yensimbi yesigaba.Isetshenziselwa ikakhulukazi izingxenye zensimbi kanye nohlaka lwe-workshop.Kudingeka ukuthi kube nokushisela okuhle, ukuguqulwa kwepulasitiki kanye namandla omshini osetshenziswayo.