I-Compound Material Ukucutshungulwa kwepulasitiki yobunjiniyela Ukucutshungulwa kwezingxenye zokuvikela I-aluminium tanker processing I-Aluminium alloy boat processing Ukucutshungulwa kodonga lwamakhethini epulasitiki ye-aluminium Izingxenye zethusi ze-Aluminium zicutshungulwa Ukucutshungulwa kwephrofayela