-
Iphi igraphite yendalo yeflake isasazwa?
Ngokutsho kwengxelo ye-United States Geological Survey (2014), oovimba bangqiniweyo be-graphite yendalo ye-flake emhlabeni ziitoni ze-130 yezigidi, phakathi kwazo, oovimba baseBrazil baziitoni zezigidi ezingama-58, kwaye i-China i-55 yezigidi zeetoni, ibeka phezulu kwihlabathi. Namhlanje siza kukuxelela ...Funda ngokugqithisileyo