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Think Copper on X: "#Copper was the first metal used by man in any quantity and is still the preferred material required to power cutting-edge, sustainable innovations today. The red metal is
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What Was The First Metal Used By Humans?
:max_bytes(150000):strip_icc()/GettyImages-130890213-58b5b5243df78cdcd8b1d67b.jpg "10 Copper Facts - Atomic Number 29 Symbol Cu")
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