Ka whakamahia e te pūnaha waipēhi te hangarau taurite hei arotau i te hoahoa o te ara iahiko hinu waipēhi, me ngā āhuatanga o te penapena pūngao, te mahi tere me te whakarerekētanga tawhā watea.
He takirua te tere rere hinu me te pēhanga o te takirere whakahaere, he whakahuri i te ahunga rere o te takirere whakahaere, he whakaroa i te pērai takirere, he maeneene, he tere hoki te mahi. He pūnaha whakahinuhinu aunoa, ka whakaiti i te kawenga mahi tiaki taputapu.
Ko te mīhini pupuhi pounamu raupapa JT he taputapu whānui taka-iho, ka taea te totoro i te paipa rauemi ki ngā taha e rua, kātahi ka pupuhi, kia ōrite ake, kia kī tonu hoki te āhua o te pounamu.
Mō te paipa rauemi whānui nui, kei te mīhini he pounamu piri-mua mō te pūrere kukune, he waha paipa piri, kia taea ai te whakauru i te pene me te pupuhi i te hau.
Whakakahangia te tīwiri tukatuka matao mārō, he pane pokepokea kirihou, he whakahou rua, he pānga kirihou pai, he rōrahi whakaputa, he ātete ki te kakahu o te oko tīwiri.
Ko te hoahoa kaha pokapū o te tauira hei whakarite i te ōritetanga o te kaha piri, mā te aratohu raina i hangaia ki Taiwan, ka tere ake, ka pumau ake te nekehanga o te angaanga, ā, ka kaha ake te kaha piri.
He rino ngāwari te hanga o te pūnaha hanga katoa, he pumau, he totoka, he pakari hoki, kāore e rerekē te āhua. Mā te whakamahi i te pūwhakahaere matua hei tango aunoa i ngā hua, ka penapena i te kaha o te tangata, te haumaru me te noho haumaru.
Hoahoa mana penapena pūngao: ka whakamahia te motuka auau rerekē hei taraiwa i te tīwiri, ā, ko te pūnaha waipēhi matua e whakahaerehia ana e te motuka servoi, he 15%-30% te nui ake o te penapena pūngao i te puku motuka noa, ā, ka whakamahia te puku rango hei tango aunoa i te waipuke.