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Ngabe i-graphite yemvelo yemvelo isatshalaliswa kuphi?
Ngokombiko we-United States Geological Survey (2014), izinqolobane ezifakazelwe ze-flake yemvelo emhlabeni zingamathani ayizigidi eziyi-130, phakathi kwazo, izindawo zokugcina amathani ayizigidi ezingama-58, futhi lokho china kungamathani aphezulu. Namuhla sizotshela y ...Funda kabanzi