1) Zvinhu: aruminiyamu alloy ine tsono yesimbi isina ngura
2) kurongedza: bhegi repurasitiki + bepa rakaoma / kurongedza ganda
3) Mashandisirwo: nguruve, gwai, mombe nezvimwewo mhuka
4) kurapwa kwekupisa kwehunyanzvi uye kuomarara kwakanyanya
5) Mashandisirwo: simbisa chikwangwani chenzeve panzeve yemhuka
6) Kuvaka Kunogara: Yakasimba uye inogara kwenguva refu. Yashandiswa nealuminium alloy, ichivimbisa kushanda kwenguva refu uye kuvimbika.