He uaua ngā pouaka whakamatao ahumahi i ngā rohe teitei nā te iti o te pēhanga hau, te iti o te tohatoha wera, me te ngoikore o te whakamarumaru hiko. Mā te whakahou ake i ngā pouaka whakamatao, te whakamahi i ngā pūwero kaha-nui, me te whakarei ake i te tiaki hiko, ka taea e ngā pouaka whakamatao ahumahi te pupuri i te mahi pumau me te whai hua i roto i ēnei taiao uaua.
Ka taea e te pouaka whakamatao ahumahi te whakapai ake i te whai huatanga o te mahi a te maha o ngā taputapu tukatuka ahumahi, engari me pēhea te whakapai ake i tōna whai huatanga whakamatao? Ko ngā tohutohu māu: tirohia te pouaka whakamatao i ia rā, kia nui te hauhautanga, mahia ngā mahi tiaki i ia wā, kia mau te hauhautanga me te maroke o te rūma, me te tirotiro hoki i ngā waea hono.