Te kōwhai nui - o - te - pūmau mīhini whakatupu pūngao tūpono mō ngā whiuwhiua nui, he mea tuatahi i hanga hei whakapiki i ngā pūngao nui mō ngā whakamahinga tūpono, pērā i ēnei e whakamahi ana i ngā pūnaha mahi, kōwhai hanganga, me ngā kōwhai whakatupu motokā. Ki runga i ngā mīhini hiko nui - toru me ngā raraunga matatika, ka taea e tēnei kōwhai te whakawhanake i ngā taura mete nui ki ngā pūngao me ngā mata ohaoha me ngā paerewa mōhiohia. Ka tiakina e ia te whakahaere pai me te whakapono moenga, e waimaria ana ki ngā tūpono whakamaharatanga o ngā whenua tūpono.