Lisebelisoa tsa mantlha tsa 'mele oa li-electrode tsa graphite tse phahameng haholo ke oli ea nale ea coke.Ts'ebetso ea tlhahiso e kenyelletsa ho pshatla, ho hlahlobisisa, ho noa, ho luba, ho etsa, ho baka, ho kenya letsoho, ho baka lekhetlo la bobeli, graphitization le machining.Thepa e tala ea li nipples ke import oil needle coke, ts'ebetso ea tlhahiso e kenyelletsa ho inregnation hararo le ho baka makhetlo a mane.