Whakaahuatanga Poto:

Ko ngā peera e neke ana i te rārangi tika i runga i te ara tika, he peera noa iho. Ka whakamahia te peera rārangi hei whakatau i te tūranga nekehanga whanaunga o te toki hurihuri me ētahi atu wāhanga, hei tautoko, hei ārahi rānei i ngā wāhanga. Ko te mahi matua o te peera rārangi he tautoko i te tinana hurihuri mīhini hei whakaiti i te tauwehenga waku o te kawenga mīhini i roto i te tukanga tuku o ngā taputapu.