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Aluminum can be produced by an [[Aluminum factory]]. It can be used for building BP's or sold. Aluminum is a chemical element with the symbol Al. Aluminium Aluminum makes up about 8% of the Earth's crust, where it is the most abundant metal. The chief ore of aluminium aluminum is bauxite. Bauxite ore is heated in a pressure vessel along with a sodium hydroxide solution at a temperature of 150 to 200 °C (300 to 390 °F). At these temperatures, the aluminum is dissolved and recovered using the Bayer process. == Aluminum can be refined from bauxite using Production =={| class="wikitable sortable"!Name !! Cost !! Inputs !! Outputs !! Profit/Min !! Production <br/>interval (MM:SS)|-|[[Aluminum factory]]s|| $3,750 || 10x [[bauxite]] || 3x [[aluminum]] || $26.40 || 0:25|-|}