Chinangwa: Graphite petroleum coke GPC yakagadzirwa nemhando yepamusoro petroleum coke. Iyo imhando yemhando yepamusoro carburizing agent, ine yakakwira yakagadziriswa kabhoni, yakaderera sarufa, yakaderera madota, yakanyanya kunyura mwero uye zvimwe zvakanaka. Inogona kushandiswa kugadzira simbi yemhando yepamusoro, simbi yakakandwa uye alloy.
