Eji mmanụ ala coke eserese eserese mee ihe maka nrụpụta igwe
Nkọwa dị mkpirikpi:
Graphitized petroleum coke (GPC) na-arụ ọrụ dị mkpa dị ka ihe mgbakwunye carbon n'ime ọkụ eletrik na ọkụ na-anụcha ladle, na-ekwe nkwa ọdịnaya carbon na-agbanwe agbanwe.
