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  • URBAN MINING! Recovering gold, copper, precious metals from .

    Dec 13, 2014 . Recovering gold, copper, precious metals from PCB's without chemicals . (PCB's) for gold, copper and other metals with our hammer mill and shaker table. . Stay tuned and please email or call if you are interested in any of our equipment. . Gold extraction with BORAX for small scale miners Rather Rich.

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