Whakamātao
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He pūwero hauhautanga waka pakari, he mea hanga ki Haina
He maha ngā wāhanga o te pūnaha hauhautanga i roto i te motuka. He mahi motuhake tā ia wāhanga, ā, e hono ana ki ētahi atu. Ko tētahi wāhanga nui o te pūnaha hauhautanga motuka ko te pūwhakamātao. Ko te pūwhakamātao hauhautanga he whakawhiti wera kei waenganui i te mata o te motuka me te pūwhakamatao miihini, e tukuna ai te wera e te hauhautanga hau ka hoki ki te āhua wai. Ka rere te hauhautanga wai ki te evaporator i roto i te papaaho, ka whakamatao i te kāpini.
