Pure aluminium is a soft lightweight metal. Mixed with small, often minute, quantities of other materials - iron, silicon, zinc, copper, magnesium, tin, titamium, lithium, chromium, tungsten, manganese, nickel, zirconium and boron - it is possible to produce an array of alloys with specific properties for very different purposes.

Aluminium can be very strong, light (less than one third the specific weight of steel, copper or brass), ductile, and malleable. It is an excellent conductor of heat and electricity. Polished aluminium has the highest reflectivity of any material - even mirror glass. It can be cast, rolled or extruded into an infinite variety of shapes. It has unique barrier properties as a packaging material, it resists corrosion and it can be recycled - again and again and again, with no loss of quality or properties.

Aluminium ore, most commonly bauxite, is plentiful and occurs mainly in tropical and sub-tropical areas - Africa, West Indies, South America and Au

Aluminium is the most recently discovered metal in common use. Aluminium only exists naturally in combination with other materials - silicates and oxides. These are very stable and it took many years of painstaking research to "unlock" the metal. Early civilizations used aluminium-bearing clays to make pottery, and aluminium salts to make dyes and medicines.

· The modern commercial aviation industry would never have succeeded without aluminium. The Wright brothers' first airplane, which flew in 1903, had a four-cylinder, 12-horsepower auto engine modified with a 30-pound aluminium block to reduce weight. Aluminium gradually replaced the wood, steel and other airplane parts in the early 1900s, and the first all-aluminium plane was built in the early 1920s. Since then, airplanes of all kinds and sizes have been made very largely of aluminium.

· Aluminium based additives are used in the preparation of many foods, particularly in the USA. For example one type, SALP, is used as a leavening agent in baking and another type (Kasel) is used as an emulsifying agent in cheese production.

· Every year in North America, more than four billion light bulbs, fluorescent tubes and other electric lamps are manufactured and 95 per cent of them have aluminium bases.

· Aluminium is the third most abundant crusted element on earth. Aluminium is everywhere in the environment. This means that every time we breathe, eat or drink we take small quantities of aluminium into our bodies. Almost all of this is quickly cleared through the body's natural functions.

· Aluminium's strength, lightness, insulating and conductive properties and the variety of decorative finishes make it an ideal building and cladding material

· Aluminium weighs only one-third as much as copper and a pound of aluminium can carry twice as much electricity as a pound of copper. Aluminium power lines are therefore lighter and require fewer, and lighter support structures.

· It is estimated that 90 per cent of trailer trucks have aluminium bodies, as do long-distance buses and cargo containers.

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Approximate Word count = 2460
Approximate Pages = 10 (250 words per page double spaced)