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supply portable small scale river gold mining equipment

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supply portable small scale river gold mining equipment

Themarket priceofgoldis based on 1 troy ounce ofpure gold. In every ounce, there is 480 grains, 20 pennyweight or 31.104 grams. Sincegoldhas gotten so valuable, it has become necessary to weigh it down to a fraction of a grain.

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