Kōrero ai te one whakamahana rānei i tētahi momo one whakamahi mō ngā mahi ā-hangarau. Ka pā he iti rawa atu ki ngā momo matū whakamahana noa, ka hāngaihia ngā matū whakamahana o te paetawhiti nui i runga i ngā tohu paihere tuatahi whakahaere. I mua atu, ka whakatupu i ēnei i roto i ngā mahi kōpiko, whakapakoko, rānei i te whakapakari, e hīnā ana katoa ki te whakamahere matua. Nā tana take taea ki te awhina i ngā mahi whakapakari i te nui, i te hanga, me te whakamutunga i ngā wāhanga me ngā whatu meteoro, ko te one whakamahana rānei kei te pupuri tonu i roto i ngā whare hanga meteoro. Ko te one pakari whakamahana rānei te pai hei whakamahi, nā te pai o tana whiuwhiu ki te whakamutu i runga i ngā wāhanga nui me ngā wāhanga wehe i roto i ngā horopaki ā-hangarau.