Mena kāore he rere o te wai i roto i te pouaka whakamatao porotaka, tera pea kua āraia te awa wai i roto. Mena kua āraia te awa o roto, ka taea e ngā kaiwhakamahi te horoi ki te wai ma i te tuatahi, kātahi ka whakamahi i te pū hau hei horoi. Hei karo i tēnei āhuatanga, e taunakihia ana kia whakawhitia te wai rere i ia wā, ā, kia whakamahia he wai ma, he wai parakore rānei hei wai rere.
Whai muri i te 18 tau o te whanaketanga, ka whakatūhia e mātou he pūnaha kounga hua pakari, ā, ka whakaratohia he ratonga whai muri i te hoko kua tino whakapumautia. Neke atu i te 90 ngā tauira pouaka whakamatao wai paerewa me te 120 ngā tauira pouaka whakamatao wai hei whakaritenga. Me te kaha whakamatao mai i te 0.6KW ki te 30KW, ka taea te whakamahi i ā mātou pouaka whakamatao wai hei whakamatao i ngā momo pūtake taiaho rerekē, ngā mīhini tukatuka taiaho, ngā mīhini CNC, ngā taputapu hauora, ngā taputapu taiwhanga me ētahi atu.
