Ko ngā pūnaha whakawhitinga tāwhai he kōwhiri pai mō te wehenga wai ki tētahi mara. Kua whanaketia kia eke tāwhai ki te rārangi whakamua i te roa o te mara, ka whakarato wai tika ki te wāhi e hiahiatia ana. Mā tēnei ka iti ake te wai kua whakaputua kia kaua e whakamāunu tētahi takiwā ake i te wā e rere ai tētahi atu.
Ko ngā tikanga whakawhitinga wai e āhua hōhonu ana te āwhina i ngā kainoho. Ka taea e rātou te penapena moni i ō rātou utu wai, me te mahi atu hoki ki te penapena i te wai Mā te whakamahi i te wai i te ara tika, kaua ko te nuinga. Ka taea hoki e rātou te whakapai ake i ngā tipu mā te tuku i te rahinga wai tika i te wā tika.
Ētahi o ngā mea pai hoki mō ngā pūnaha whakawhitinga wai arahohonu he taea e rātou te tautuhi kia tukuna te wai tūpono ki te wāhi e hiahia ana koe. Arā, ka taea e te kainoho te whai atu ki ngā tipu anake e hiahia ana ia ki te wai, te wāhi rānei e hiahia ana ia ki te wai, ā, ko taua wāhi anake ka waihia, ka waihia hoki tino pai ai, i te rahinga e tika ana mō taua tipu. Mā te whakamahi i te whakawhitinga wai arahohonu i runga i ēnei tikanga hei āwhina i te tipu kia puāwai tika ai, me te iti iho i te wai kua whakaputua, ka taea e te kainoho te mahi i ēnei.
Ko te whakapapa o te taiao he pāpaku e tipu haere ana, ā, ko te whakawhitinga huarahi o te wai he hoa tūturu ki tēnei kaupapa. Ka taea e ngā kainuku te penapena i tēnei rāwekenga nui mō āke tonu atu mā te aukati i te whakamahinga wai me te whakamahi i te wai i tētahi ara māmā ake. I runga i taua, mā te iti ake te kaiwhakamahi wai, ka iti ake hoki te tohu taiao, ā, ka āwhina i te whakapapa o ngā tikanga taiao e ngoikera ana.
He maha ngā take e whakawhirinaki ai ngā kainuku ki te huri ki ngā punaha whakawhitinga huarahi mai i Gengze, ka taea e koutou te tiki i ngā painga katoa nei me ētahi atu anō hoki. Me te whakamarumaru i te taiao anō hoki koutou.