| Name: |
Henk | | E-Mail: |
webmaster at sacops.co.za | | Web Page: |
http://www.sacops.co.za | | Location: |
South Africa | | Birth Year: |
1972 | | Gender: |
Male | | Comments: |
Nice Site! | | 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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