He mōhiohia nui ngā whakamahi āwhiwhi super porous i ngā rārangi whakamahi herea hē ki te wero o te rā, tētahi mai rā o na reira he mahi hurihanga e pā ana ki ngā momo whakamahi hurihanga, pēnei i ngā rākau hurihanga rānei, rānei i ngā matū poriori. He mea kawe waipiro ngā roanga hurihanga super porous i te waipiro e pāngia ana i te mahi. Me tiaki i te waipiro i te wā o te hurihanga mō ngā whakaputuawa waipiro, ā, mō te whakarerekē whenua o te waipiro, te itinga o te wā o ngā roanga hurihanga, rānei. Ki te mahi i ngā whatu whakahaereherehere, ka whakapai te kahurangi o te whakahaereherehere i runga i ngā mete o muri i te waipiro, ka taea te whakahoki i runga i te waipiro kīwaha hei whakamahere i a rātau.