Ko te pūkaha tapahi-a-roto me te kōwae uta anō he mea nui mō te mahi tākuta iti-whakahā, e whakakotahi ana i te tika, te haumaru, me te ahuareka. E whai ana te pūkaha i tētahi aratau mahi rua mō te whakairi me te tapahi i te wā kotahi, i te mea ko te hoahoa o te pūkaha maha-rua o te waeine utaina anō e whakanui ana i te kaha o te toronga. I roto i te tātaritanga o te uma, ka whakahaerehia e ia ngā oko hauhautanga me ngā kōhao, e tautoko ana i te whakaora tere. I roto i te tātaritanga puku, ka taea e ia te anastomosis haumaru me te iti o te pānga o te raruraru. Ka āwhina ngā kōpaki kōpaki tae ki te whiriwhiri i te teitei tika mō te matotoru o te kiko, ka whakaiti i ngā hapa. Ka whakakorehia ia kōwae, ka whakamahia kotahi, ka ārai i te mate whakawhiti. Kei te whai i ngā pūnaha kounga tino mārō te hanga a Changfeng, e whakarite ana i te mahi ōrite. He pai mō ngā tari tātaritanga rerekē, ka pai ake te mahi me te haumaru o te tūroro. Whakapā mai ki a mātou mō ngā utu me ngā kōwhiringa whakarite.