Ko ngā mīhini whakamatao wai hurihanga e whakamatao ana i te waehere QR UV tohu taiaho e whakamahi ana i te wai parakore, i te wai māori rānei hei wai hurihanga. E taunakihia ana kia hurihia te wai hurihanga i ia 3 marama. Ina hurihia te wai hurihanga, me ringihia e ngā kaiwhakamahi te wai hurihanga taketake i te tuatahi, kātahi ka whakakī anō i te wai hou kia tae rā anō ki te taumata matomato o te tāke wai.
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