  Taking
a flight around the world? Or to the moon? You can be sure that a
lot of copper will accompany you.
High performance copper alloys are used in helicopters, jet planes,
and all types of spacecraft. Because of their good strength-to-weight
ratios, bearing strength, and fatigue and corrosion resistance, copper
alloys are used for undercarriage components, aeroengine bearings,
bushings, display unit components, and helicopter motor spindles.
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