Ka whakamahia te kaitahuri wera pereti(ingoa poto: PHE) ki te whakaheke, ki te whakanui ranei i te mahana o te wai pia, te wort ranei hei waahanga o te mahi hanga pia.Na te mea ka hangaia tenei taputapu hei raupapa papa, ka taea te tuku atu ki te whakawhiti wera, PHE, ki te whakamatao wort ranei.I te wa e whakamahana ana te wort, Heat exchangers ...
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