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Te Utu Whakataunga Te Utu Whakatakoto Iwi Whakakotahia Te Waariki Calcined Pitch Petroleum Coke
Ko te pitch coke he momo o te waro tar pitch teitei, he mea hanga ma te whakamahi i te waro tar pitch ma te whakamahana, te whakakore, te rehu me te whakamahana i te hanga.Kua wehea te pitch coke ki nga waahanga e rua: te waro tar pitch me te petroleum bitumen.Ko te kaihere uku mo nga rawa whakaahuru ko te nuinga o te waro tar pitch.I tapirihia te ware rawa o te whakamatautau ki te oko whakarewa uku kia whakamahana, kia rewa.
