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Aluminum is a Multipurpose Metal Aluminum, the dull silvery metal has taken the world by storm with its versatile utility. Aluminum is a lightweight, soft and flexible metal which has a variety of uses. It is extracted from bauxite ore by electrolytic process. The dull silvery look of the metal is due to a thin film of oxidation over it, fortifying its resistance to corrosion thus protecting many exteriors. Aluminum is a good conductor of heat and electricity. If you polish aluminum it will be a better reflector than most other Aluminum Usage in Construction Aluminum is used for many different construction projects. Some of the most common are bicycles, planes, cars and boats. It is used for these purposes because it is very lightweight and non-corrosive. All these forms of transport depend on strong but lightweight metal to move efficiently and save fuel.