He aha te Roera Ngira Kounga Pai?Te whāngaingā

Ko ngā roera porotaka anō hoki ngā wāhanga hurihuri o ngā peera roera ngira. He mea hanga ēnei hei whakaiti i te waku o te mata e hurihuri ana. Nā tōna āhua, he nui ake te mata o te peera ngira e pā ana ki te mata o waho o te peera.

He papatahi, he tauira radial ngā whāriki ngira tuaka, ko te whāriki ngira radial ia he āhua porotaka, ā, ka oma whakarara ngā roera ki te tuaka o te kakau.