Amalahle e-Anthracite eKhalvini ephezulu eyenziwe ngokwezifiso
Umxholo ophantsi wothuthui-anthracite ene-calcinedkunciphisa intsalela yenkunkuma eveliswa ngexesha lenkqubo yokutsha, kunciphisa impembelelo kwindalo esingqongileyo, kwaye kunciphisa iindleko zokuguguleka kwezixhobo kunye nokugcinwa kwazo. Ukuguquguquka okuphantsi kuqinisekisa uzinzo kunye nokhuseleko lokutsha, okwenza inkqubo yokutsha ibe lula ukuyilawula kwaye iphephe ngempumelelo iingozi zokhuseleko ezibangelwa kukuguquguquka okugqithisileyo.







