Kei roto i te whakahaere tika o nāianei, kua āhei ngā pūtōki whakaako upoko ki te hanga i tētahi wāhanga nui o ngā hōtuhi. He mea āhei tēnei ki te hī i ngā hokohoko upoko e hiahiatia ana mō ētahi whakamātau, pērā i te whakamātau genea, whakamātau hōhoma, ko ngā whakamātau hoki mō ngā mate kikoata. Ki te waihangatia te whakangungu o te upoko i roto i te waha hei hoa kore whakapā, ka riro ngā pūtōki nei i te pai me te mōhiohio haere i roto i ngā horopaki rongoā. Ko te mahi whakawhitiwhiti o ā mātau mahi he whakarite noa ki ngā tikanga e whakaae ana e ngā mana motuhake. Nā reira, ka mahi ia pūtōki ki runga rānei i ngā tūmanako. Ki te whakamahi i ngā pūtōki whakaako upoko mō mātau, ka āhei ai ngā tohunga hauora ki te whakawhanake i te waiaro nui o ngā tangata whenua i te wā o ngā mahi whakamātau.