See in Reader
15 lines
283 B
Markdown
15 lines
283 B
Markdown
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## mine ##
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a place where metal ore is dug out of the earth
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## refine ##
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This is the process of heating a metal to remove all of the impurities.
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## copper ##
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an important red-brown colored metal
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## smelted ##
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This is a process where heat is used to melt metal ore out of stone.
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