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How To Make Foot Power Ball Mill Gold

Nineteenth century gold miners used wooden sluices that were at least 12 feet long, but modern gold prospectors primarily use sluice boxes made of plastic or metal which are typically 24, 36 or 48 inches long and 6 to 10 inches wide. The idea is to position a sluice box in a running stream so that the water does the work-- separating the dirt ... Our company is committed to building crushing, industrial grinding, ore processing and green building materials, and provides intelligent solutions and mature supporting products. Welcome to buy.

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