| Name: |
mike | | E-Mail: |
peterson at xit.net | | Web Page: |
none | | Location: |
none | | Birth Year: |
1950 | | Gender: |
Female | | Fortune: |
Copper occurs in nature mixed with other minerals and valuable metals in ore, and the proportion of copper in the ore can vary considerably. Until fairly recently, the only way to extract pure copper |
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