Me pēhea te mahi a te papu korehau waka?
He kōhao nui te papu whakakaha korehau. Ko te nuinga o te papu whakakaha korehau he mea hanga mai i te tinana papu, te rotor, te reti, te taupoki papu, te taputapu, te mowhiti hiri me ētahi atu wāhanga.
Ka wehea te ruma e te diaphragm (te piston rānei) me te tokotoko pana i waenganui kia rua ngā wāhanga, ka honoa tētahi wāhanga ki te hau, ka honoa tētahi wāhanga ki te paipa whakauru miihini.
E whakamahi ana i te mātāpono e hongi ana te miihini i te hau i te wā e mahi ana hei hanga i te korehau i tetahi taha o te whakakaha me te rerekētanga pēhanga i waenga i te pēhanga hau noa i tetahi taha. Ka whakamahia tēnei rerekētanga pēhanga hei whakapakari i te pana aukati.