• An alloy is a mixture composed of two or more elements, at least one of which is a metal.
  • Alloys are commonly used in manufactured items because the properties of these metal mixtures are often superior to a pure metal.
  • Bronze is harder than copper and more easily cast.
  • Brass is very malleable and its acoustic properties make it useful for musical instruments.
  • Steels are widely used in building construction because of their strength, hardness, and resistance to corrosion.
  • Most large modern structures like skyscrapers and stadiums are supported by a steel skeleton.
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