Kugwiritsa ntchito*Chowonjezera cha carbon mumakampani opanga zitsulo;*Zakudya zopangidwa ndi graphite electrode ndi electrode phala;*Kupanga anode ya aluminiyamu ya electrolytic;*Silikoni ya mafakitale yosungunula;* Kudzaza ng'anjo pogwiritsa ntchito grafiti