Graphitized Petroleum coke inonyanya kushandiswa simbi & foundry, inogona kuvandudza kabhoni yemukati musimbi-kunyunguduka uye kukanda, Zvakare inogona kuwedzera huwandu hweyakaraswa simbi uye kuderedza huwandu hwenguruve iron, kana kusashandisa chakarakwa simbi zvachose. Iyo zvakare inogona kushandiswa kune brake pedal uye friction material.
