He pai noa te whakamahi i ngā puhipihi o te reta whakawehi kia riro i te wai mō ngā marae kai. E ārahi ana enei pūnaha i te papa whenua, me te whakawehi i te wai ki ngā rākau. Noho tino whakatipuranga rātou hei whakatakoto i te māramatanga o te wai kia puawai ai ngā hua kai. Kei te hiahia a Gengze kia ako ngā kaiwhakaako kia whakapai ai te kai i runga i Te Whakamātau Wai Pūtahi .
He maha ngā pai mō ngā kaiwhakaako whenua i te whakamahi i tētahi puhipuhi ā-puku wai. Tētahi momo pai ki te whakamahia he mea e tiaki i te wā me te mahi. Ki reira, kaore te hokohoko i te wai ki runga i ngā kai, ka mahi ngā puhipuhi i tēnei mahi. Nā reira, he nui ake ngā wā kia whakatūria e ngā kaiwhakaako ētahi mahi e rite ana ki te nohonga o te pāmu. Ko te wai i tahuhu mai i te puhipuhi ka horapa whakarite ki runga i ngā whenua, nā reira ka utaina e ia katoa ngā kai i te wai e hiahiatia nei.
Whakamahia ngā kai i te mīhini wai tika, ka noho haumaru ake te hanganga me te whakapuaki kai. Ka taea e ngā pūtahi wai whakatō e āwhina i ngā kaiwhakaako ki te whakatō kai nui me te pai rawa. Ki reira, ka taea rātau ki te hokonga atu i te nui o te kai me te moni nui. Ki te te reta ā-moana iwi , ka taea e ngā kaiwhakaako whakamahere kai te hīkoi pai me te kai i te hunga mateahi i a rātou i te kai.
He hangarau ā-tuhi te whakamahi hei whakawehi i ngā māra me ngā pūtu ki te wai. He tāhuhu roa i honoia ki runga i te māra, ka puta mai te wai i ngā nozzles. Ka haere te pūtu i runga i tētahi raraunga i tōna mata ki te whakawehi puhipuhi puaki wai ki ngā wāhi katoa o te māra. Ka whakahaere hoki ngā kaiwhakaako i te pūtu i runga i tētahi rorohiko rānei me te whakatika i te āheinga me te iti nui o te wai kia tae ki ngā hiahia o ngā kai.
He pūtu whakawehi i te wai, e āhei ana ki ngā kaiwhakaako kai whakaiti wai me te waiora. Nā reira, kaore i te mokemoke i te wai i te maha, ka tukuna ai te wai i ngā mea e hiahiatia ana. Ko tēnā e whakaiti ana i te wai, he pai noa rā ki te taiao. Ka whakaiti hoki te wai me te waiora i ngā moni o ngā kaiwhakaako me te whakangungu i te whenua hoki.
He mea tika te mahi whenua whakaritorito, "he whakahaere pūmau i ngā whenua, he tiaki i te taiao, ā, mō tēnei wā me i muri hoki. He tino pai anō hoki ngā puhipihi o ngā reta whakawehi ki te āwhina i ngā kaiwhakaako i te whakamahi pai i te wai, me te whakapai i te kai i runga i te iti rawa atu i te wai. Ka taea e ngā kaiwhakaako e whakahaere ana i ngā puhipihi te tiaki i te one, te iti iho i te kuhuone, me te tiaki i ngā whare nui mo ngā manu.