Muindasitiri inomhanyisa, kunzwisisa zvakasiyana siyana zvinoshandiswa pazvisungo kwakakosha kune nyanzvi. Kubva pacarbon simbi kusvika simbi isina tsvina, alloy simbi, mhangura, uye aruminiyamu, chinhu chimwe nechimwe chine chayo chakasiyana kuumbwa, mashandisiro, uye mashandisirwo eminda. Mugwaro rino rakazara, isu tichaongorora mune zvakajairwa zvinhu zvefasteners, tichipa yakadzama nzwisiso muzvivakwa zvavo uye mashandisiro.