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Gold mining - Wikipedia. Using a sluice box to extract gold from placer deposits has long been a very common practice in prospecting and small-scale mining.

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KAMY is the worldwide leader in manufacturing hydraulic cutters, road headers, tunnel support systems, and other specialized machinery used in the tunneling, mining, and construction industries.

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A roadheader, also called a boom-type roadheader, road header machine, road header or just header machine, is a piece of excavating equipment consisting of a boom-mounted cutting head, a loading device usually involving a conveyor, and a crawler travelling track to move the entire machine forward into the rock face.

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Barrick Gold chose mechanical cutting instead of traditional drill-and-blast to develop two new portals to the underground operation at its iconic Cortez mine in Nevada.

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