1. Mā te whakamahi i ngā rama whero-whero i roto i te whakamahana-mua, ka ōrite te wera o ngā preforms PET.
2. Mā te here ā-ringa-rua ka kati pūmau te pokepokea ai i raro i te pēhanga teitei me te pāmahana teitei.
3. E rua ngā wāhanga o te pūnaha hau: te wāhanga mahi hau me te wāhanga pupuhi pounamu. Hei whakatutuki i ngā whakaritenga rerekē mō te mahi me te pupuhi, ka whakaratohia he pēhanga teitei pumau ki te pupuhi, ā, ka whakaratohia hoki he pēhanga teitei pumau hei pupuhi i ngā pounamu nunui, āhua koretake.
4. He mea whakangawari me te pūnaha whakahinuhinu hei whakahinuhinu i ngā wāhanga miihini o te mīhini.
5. Whakahaerehia i ia taahiraa, ā, he mea hanga ā-haurua-aunoa.
6. Ka taea hoki te hanga i tētahi ipu waha whānui me ngā pounamu whakakī wera.