Alaabta ceeriin ee ugu muhiimsan jirka graphite electrodes ee awooda aadka u saraysa waa coke irbadda saliidda ee dibadda laga keeno. Habka wax soo saarka waxaa ka mid ah burburinta, baaritaanka, qaadashada, cajiin, samaynta, dubista, impregnation, dubista wakhtiga labaad, garaafaynta iyo machining. Walxaha ceeriin ee ibta naasaha waa coke irbadda saliidda laga keeno, habka wax soo saarka waxaa ka mid ah saddex jeer impregnation iyo afar jeer dubista.