Ko te tiihi hinu hinuhinu he hua matū matū, ā, ko ana rawa he kohu hinu kakariki. Kei te whakamahia nuitia i roto i te hanga hua waro penei i te graphite electrode, te poraka graphite me te papa pakaru. Ka taea hoki te whakamahi hei taapiri waro ki etahi tipu maitai me nga tipu konumohe. Ka taea hoki te whakamahi hei whakamaarama, rauemi whakamatao waiariki, whakakii, aha atu. Whakatakotoranga: Te waro pumau 97%, te whanariki 3.0%, te pungarehu 0.5%, te 0.6%, te makuku 0.5%,
Ka whakahuahia e matou te utu pai i te wa kua riro mai i a koe nga whakaritenga me te rahi.