Te mahi a te ringa o muri o te motuka?
Ko te pūnaha whakatārewatanga ringa roa e pā ana ki te hanganga whakatārewatanga e piu ana ngā wira i te papa roa o te motuka, ā, ka wehea ki te momo ringa roa kotahi me te momo ringa roa takirua. Ina peke ake, ina peke iho te wira, ka nui te rerekētanga o te koki o muri o te wira roa kotahi, nō reira, kāore e hiahiatia kia noho te whakatārewatanga ringa roa kotahi ki runga i te wira urungi. Ko ngā ringa piu e rua o te whakatārewatanga ringa roa takirua he rite te roa, ka hanga he hanganga pae-whā whakarara. Nō reira, ina peke ake, ina peke iho te wira, ka noho tonu te koki o muri o te wira roa, nō reira ko te whakatārewatanga ringa roa takirua te nuinga o te wā e whakamahia ana i roto i te wira urungi.
