pūtake whakamātau wai
He tā whakamahere noa te tā kōwhaiwai hei whakamahi i roto i ngā mahi kōwhaiwai, e whakaaetia ana ki te whakapiki i ētahi whenua rorohiko kia puta ai ngā pūru hoki mō te wai, te ira, rānei te hau. Ko tēnei tohu matatika e whakauru ana i ngā hanganga whakahaumi me ngā whenua whai kaha, kia āhei ai ki te whakaputu i ngā tahataha kō whatu me ngā tahuhu whenua. Nā ngā tā kōwhaiwai a te ao hou i hanga ngā whakawhitinga otiaki, e āhei ana ki te whakauru i ngā konae rōpū rānei ko ngā konae whakahaumi paihere diamona. E hanga ana enei tā ki te whitiwhiti i ngā paheko nui me ngā wehi wera, ahakoa te whakahaumanawa o te whakawhitinga. Ko te hanganga he whakatakoto pūkenginga tino pai hei tirotiro i te whakarite o te korenga kai rānei me te whakawehenga i te waewae i te mahi. He nuinga ngā tā kōwhaiwai, e āhei ana ki ngā momo rerekē, inarangi hoki, e whakamana ana i ngā momo whenua rerekē me ngā tikanga kōwhaiwai. Kei roto i aua tā ngā pūnaha tino tika me ngā kākano hei whai whakaaro i te mana whakahaere i ngā taiao kikokiko. Ko te whakawhitinga o te tā he whakatakotoranga tino pai ki te whakaū i te ra o te whakapiki, ahakoa te iti rawa o te haere, kei roto i ngā hanganga tino whakamua pērā i te whakangungu. Ka whai take ēnei tā i ngā mahi kōwhaiwai tuatahitanga rānei me ngā mahi kōwhaiwai tirohanga, ka āhei ki te whakamana i te tino tika me te whakahaumanawa i te mahi kōwhaiwai whakatipu.