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I-graphite yemvelo eyizingcezu isakazeke kuphi?
Ngokusho kombiko we-United States Geological Survey (2014), izinqolobane eziqinisekisiwe ze-natural flake graphite emhlabeni zingamathani ayizigidi ezingu-130, phakathi kwazo, izinqolobane zaseBrazil zingamathani ayizigidi ezingu-58, kanti ezaseShayina zingamathani ayizigidi ezingu-55, zibekwe phezulu emhlabeni. Namuhla sizokutshela...Funda kabanzi