Ko tā mātou whakamahi he Mīhinga Metallurgical me ngā Kōrihi Whai Rawa Alumini i runga i ō rātou whakamahi nui i roto i te whenua, ā, in particular ki a Te Take me te Tauhere Pūkana. Nā te mea ka noho ngā kōrihi i whakamahia nei i waenganui i ngā raetī 1000 – 7000. Ko ngā kōrihi nei ko te weu o rātou, ēngia ana hoki ki te whakatika i ngā mahi nui. He mea nui tēnei i roto i ngā momo hanga me te sektor o te pūkana, nā te mea me utu iti i te weu, ahakoa kāore i wheke i te whakaheke o te wharekura. Kia whakatika ai tēnei, ka whakahaere mātou i ngā painga me ngā matatara o te kōrihi i mua i te whakamahi o ngā mīhinga whakapiki tohu me ngā mīhinga whakarite. Anō hoki, ko te pai o ngā kōrihi e kitea ana i runga i ō mātou mīhinga whakawhanake, pērā i te anodiwhiringa nui i whakatinana ai te whanaketanga me te roa o te wā, ā, me te whakapai kōrihi i whakamahia ai ki te whakatika i ngā kōrihi, hei whakapai, hei whakamaharatanga, me te pai ki te kanohi. I te wā e tiaki ana mātou i ngā take o 20,000 tangata i runga i te ao, ka taea e mātou te whakamana i ngā take o te kōrihi whai rawa alumini i te ao, kāore i te whakapae i ngā ture pai o te pai.