Aluminiyamu fumbi, wokhoza kuphulika, imayikidwa m'gulu la zinthu zoyaka moto za Class II. Imachita ndi madzi kupanga mpweya wa haidrojeni ndi kutentha.
Pakaphulika fumbi la aluminiyamu, kugwiritsa ntchito madzi kuzimitsa sikoyenera. Zozimitsa moto za thovu ndizomwe zimalimbikitsidwa (makamaka pakukonza mbiri ya aluminiyamu) monga thovu limalekanitsa lawi lamoto mlengalenga. Izi ndichifukwa chakuchita kwa aluminium ndi madzi, zomwe zimapanga haidrojeni gasi, kuchititsa madzi kukhala osagwira ntchito kuzimitsa moto. Pakhala chochitika pomwe kuphulika kudayambika poyesa kuzimitsa fumbi loyaka la aluminiyamu ndi madzi..