aluminum is passed between rolls under pressure, it becomes thinner and longer in the direction in which it is moving. This simple process is the basis for producing aluminum plate, sheet and foil. S
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Aluminium is derived from the mineral bauxite. Bauxite is converted to aluminium oxide (alumina) via the Bayer Process. The alumina is then converted to aluminium metal using electrolytic cells and the Hall-Heroult Process.