Chain Mill Mineral Processing Metallurgy
A Chain Mill is a total amateur''s tool for "crushing or grinding" rock. It is a set of chains attached directly at the end of a 1700+ RPM motor. The chain will beat your rock to bugdust, pulverise it, and any gold it might contain, into a size fraction so fine you will not be about to recover it using gravity equipment. That fine gold with not pan, not gold cube or sluice out. You lost ...
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