He tino watea te ngongo tapatoru o te rākau wera whāiti mō te kaimahi raina nā te mea ka taea e rātou te mahi i ngā mahi o ia rā mai i te whenua. He maha ngā momo tāpiringa ka taea te whakauru ki te pito whānui i te wāhanga o runga kua whakamahanatia, kia taea ai e te kaimahi raina te momotu i ngā pana, te whakakapi i ngā ngongo tapahi me te kati anō, te tango i ngā uhi pou, te tapahi rākau, te whakakapi i ngā pūangi me te whakaoti i ngā mahi maha atu i runga ake. Ko te wāhanga ngongo tapatoru e whakaaturia ana i ngā pikitia i raro nei, ko te pewa tapatoru tata te āhua tino pai o te pupuri ringa. Mā te āhua tapatoru tata ka taea te karo i te reti tuaka i te wā e mahi ana i te torsion. Ki te whakatauritea ki te ngongo porowhita tuku iho, he pumau ake, he ngāwari ki te hono atu ki te wāhanga whakahaere, ā, he ngāwari hoki te whakahaere.