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Ndeipi iyo natural flake graphite yakagoverwa?
Sekureva kwemushumo weUnited States Geological Survey (2014), iyo yakaratidza kuchengeterwa kwechisikigo flake graphite munyika ndeye 130 miriyoni matani, pakati payo, matura eBrazil ane 58 miriyoni matani, uye iyo yeChina 55 miriyoni matani, kuisa pamusoro penyika. Nhasi tichakuudza ...Verenga zvimwe