Ko te nui o te kohu wai i roto i te hau i roto i te hau i roto i te hau i te pāmahana rangi kua whakatauhia: i roto i te take o te pehanga hau kōpeke ko fele te taua, whakaiti i te pāmahana o te hau kōpeke kōpeketanga ki te whakaiti i te nui o te kohu wai i roto i te rangi, me te te taikaha wai kohu. ka whakamatao hei wai.
Ko te whakamaroke whakamaroke e rite ana ki te hononga i waenga i te pehanga kohu wai me te pāmahana, ma te whakamahi i te taputapu whakamatao ka whakamataohia te hau ki runga ki tetahi tohu tomairangi, te rerenga wai kei roto, na roto i te wehenga wai mamaoa me te taputapu whakaheke hiko ka tukuna te wai, kia maroke ai te hau kōpeke.