Yedu aruminiyamu yemitambo kadhi yekuchengetera bhokisi ndiyo yakakwana kadhi yekuunganidza kuchengetedza. Inogona kukwana BGS SGC HGA GMA CSG PSA makadhi akakwenenzverwa. Iyi kesi yeslab yemakadhi akakwenenzverwa inogona kushandiswa sekadhi toploader chengetedzo zvakare.
Isu tiri fekitori ine makore gumi nemashanu echiitiko, inyanzvi mukugadzirwa kwezvinhu zvakagadziridzwa senge mabhegi ekuzora, makesi ekugadzira, makesi ealuminium, makesi endege, nezvimwe.