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There is a small amount. It's used to line the exhaust of a jet engine, and as the tips of the spark plugs (piston engine) or igniters (turbine engine). It's used because it can handle very high temperatures.

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The sophisticated equipment of air borne components are wired/manufactured with costliest material beyond our imagination. it is to solve the requisite purpose. gold contacts/ wire is used in sensitive equipments.

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13y ago

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