Yepamusoro-yemhando yemavara yakavharwa simbi ndiro inoshandiswa seyepamusoro layer, ine dombo remvere mukati, uye maitiro akagadzirwa nemaoko anogamuchirwa.Aluminium alloy keel kana iron keel furemu inoshandiswa kutenderedza.Kuiswa kwacho kuri nyore uye nekukurumidza, kwakatsetseka, kwakanaka uye kuri nyore kuchenesa, uye mabhenefiti akazara akakosha.Inonyanya kushandiswa mumagetsi (industrial chirimwa) mushonga (yekuchenesa imba) kemikari (fire protection workshop).