He pou tiaki ngā pou whakahaere o waho i hangaia hei tiaki i ngā hanganga nui, pērā i ngā kāpata hiko, ngā mita wai, ngā raina hau, me ngā taputapu whakawhitiwhiti kōrero. He ārai tinana kaha ēnei hei ārai i ngā tukinga ā-whatu a ngā waka me te mahi kino, me te pupuri tonu i te urunga atu ki ngā mahi tiaki.
