Yepamusoro-yemhando yemavara yakavharwa simbi ndiro inoshandiswa seyepamusoro, galvanized simbi tambo inoshandiswa seyekumucheto yekuisa chisimbiso kamuri uye inosimbisa mbabvu, mwando-uchapupu girazi magnesium ndiro inoshandiswa seyepakati layer, dombo remvere rinoshandiswa seyemukati musimboti layer. , iyo inogadzirwa nekudzvinyirira, kupisa uye mamwe maitiro.Iyo ine yakanaka yekuisa chisimbiso kuita uye yakakwirira yekudzivirira moto mwero.