He ara whai wera mō te hoko āhuarangi. Whakamahia te wai hei hanga āhuarangi, he mea nui tēnei. He pūhanga, e titiro ana ki ngā turbin, ka taea te haere mai i te wai. I tēnei tuhinga, ka ako tātou i te wānanga tuaropari Hau mō ōna paunga nui, ngā pai o te hauora o te wai, te wāhi o te hauora o te wai i roto i te āhuarangi kaweake, me pēhea ka huri te wai hei āhuarangi, ā, te whanonga o ngā whakahaere hauora o te wai.
He pūnaha whakaputa āhuarangi ko ngā whakatakoto wai hei hanga āhuarangi. Ka tuwherahia te wai ki runga i ngā turbin e hono ana ki ngā whakatakoto. Ki te huri ngā turbin, ka whakaputahia te āhuarangi e whai ana hei whakamahi mō ngā whare, ngā kura, ā, mō ngā tāone katoa. Kīhai a Touw he mea nui ngā whakatakoto āhuarangi nei i runga i ngā awa, ngā pūtau, rānei, ngā tapu wai kia tae atu te wheako wai kia hoki ngā turbin.
He nui te pai o te whakamahere wai i te mea koia he pai me te tuku noa. Ka noho tonu te wai hei whakamahi, kaore i te pakeke mai i nga whenua ranei, pēnei i te coal me te karoro, koia reira he hunga nui te whakamahi mo te wai. Ko te whakamahere wai hau ka puta he iti noa iho i nga uku, koia reira pai mo o tatau rangi me o tatau wai. Me matatara hau ka taea te whakauru me te whakamutu haere, no reira he hunga waihanga iti nui ake te whakarite i te take o te kaiwhakaawe nei, he take etahi hoki e taea ana te whakarite ki ngā take kotahi.
Kua rite nga kaiwhakangungu wai hei whiwhi i nga take hiranga moe. Ki te mahi ngā whenua ki te iti i o rātou whakapono ki te pūngao whatumanawa me te iti i o rātou pūngao pōhara, ko te wai he take whakarite me te take taiao mīharo. Ko te kiriata wai, ko ngā kaiwhakangungu wai ka tohua hoki ki te iti i ngā hau pūngao whakahirahira me te whakahoki i te huringa āhuarangi. He mea nui i roto i te hanga i tētahi atea rerekē ake mo tō tātou whenua.
Ko tēnei te whakaakoranga i te wai ki te uru: Ka ākina te wai e pā ana i te hauora ki ngā paipai hei kuhu ki te turbin. Ka whakaheke te wai i ngā raenga o te turbin, ka horahia e ia. Ko tēnei kawe nei ko te wehewehe ki te whakaputa i te hiko i te whakatakoto i te motokakahu. Ka tahitia tēnei hiko ki ngā rorohiko hei whakatutuki i ngā whare, ngā toa me ērā atu wāhi e hiahiatia ana i te hiko. He mea māharahara nō reira i te mea iti noa iho o te wai ka whiwhi ai te hiko hei whakahaere i te ao!
Ka mahi pai anō hoki te whakawhiti i te hauora ki te wai i runga i ngā take tuatahi kē hei hanga i te hiko. Nā te mea he nui te hiko i roto i te wai, ka taea te whakaputa i tētahi momo hiko nui. Ki te kore e taea ana te whakamahi i te hiko wai hei whakarite i ngā panoni e tae ana ki te hauora, ka taea e te hiko wai te whakahokia mai i te takutai ki te whakaritenga i ngā pakirehua hiko i roto i tētahi rangahau whakapono me te whakapae. He pai rawa rātou, ka taea te whakamana i ngā hapori kia noho pai ai ki te whakahaere i tētahi punaha hiko nui.