I-GTM ye-Aluminiyam ye-Aluminiyam yokuNxibelela iFurnace, ekwabizwa ngokuba yi-Tower Furnace, ithatha i-tower structure preheating material, enokusetyenziswa kwamandla aphantsi, amandla okunyibilika okunamandla, isantya sokunyibilika ngokukhawuleza, ukutya okuzenzekelayo, ukungcola okuzenzekelayo, iqondo eliphezulu lokuzenzekelayo, ukhuseleko kunye nokuthembeka.