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Graphite yechisikigo inopararira kupi?
Sekureva kwemushumo weTHE United States Geological Survey (2014), matura akasimbiswa e natural flake graphite pasi rose i130 miriyoni matani, pakati pawo, matura eBrazil i58 miriyoni matani, uye eChina i55 miriyoni matani, zvichiri pamusoro pasi rose. Nhasi tichakuudza...Verenga zvakawanda