Zida zazikulu zopangira ma electrode amphamvu kwambiri a graphite ndizochokera kunja kwa singano ya coke. Njira yopanga imaphatikizapo kuphwanya, kuwunika, kuyika, kukanda, kupanga, kuphika, kuyimitsa, kuphika kachiwiri, graphitization ndi Machining. Zopangira za nsonga zamabele ndi kuitanitsa mafuta a singano coke, kupanga kumaphatikizapo kulowetsedwa katatu ndi kuphika kanayi.