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all things of the physical universe which can be sensed by man are made up of one or more chemical elements an element is a basic simple substance which cannot

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apr 05 continuation of part 2 sluice box test using 1 troy ounce of gold now that you have seen how much of the one troy ounce of gold was captured by the ribbed

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the many uses of salt most people probably think of salt as simply a white granular food seasoning in fact only 6 of all salt manufactured goes into food

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amalgamation has been used for thousands of years to recover small sized or fine gold historically it was used in many operations to increase gold recovery

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