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2019-10-25more efficient mining of high-quality ore some experts say that there is 80 times more gold in one ton of cellphones than a gold minen fact, the gold in the worlds e-waste alone equals more than a tenth of the gold mined globally each year, according to an article published by the new york timesmetric ton of circuit boards can contain 40 to 800 times the amount of gold and 30 to 40.

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