Koke ya peteroli ya Graphite y'ubukorano ifite Sulfure nkeya
Ibisobanuro bigufi:
Porogaramu *Inyongeramusaruro ya karuboni mu nganda zikora ibyuma; *Ibikoresho fatizo bya electrode ya grafiti na paste ya electrode; *Gukora anode ya aluminiyumu ikoresha electrolytic; *Silikoni ishongesha ikoreshwa mu nganda; *Kuzuza itanura hakoreshejwe grafiti