pū kōwhiri rangi
Kei te whakamahia te pū kōwhatu hāngai hei rautaki pneumatica matatika, e whakarite ana mo ngā mahi whakawera me ngā mahi kōwhatu nui. Mō te mahi i te hunga hā o te āhua, ka tukua e tēnei rautaki matatika ko te kaha pai ki te kōwhiri i te kaha nui hei kōwhatu i te koneti, te aporo, te papa me ērā mea matatika anō. Ko te rautaki he whare kaha matatika e kore e kitea, e hāngai ana i te mīhini pihikara e whakawhiti ana i te kākahu pneumatica ki te kaha pai o te pūtanga. I te wa e whakahohea ana, ka whakamahia te hunga hā hei whakamahi i te pihikara, ka whakapae atu ki te kōwhatu rānei, ka whakawhiti i te kaha ki te mata o te mahi. Nō ngā rautaki hou o te wā, kei reira rautaki ētita me ngā rangitaki whakamutunga herehere e tiakina ana i te mate kaiwhakahaere me te whakangungu i te haerenga ki te wāhi mahi. E ai he rauemi, kei reira i ēnei rautaki i waenganui i ngā whatu me ngā kaha whakahaere, mai i ngā raupapa hikiwero e pai ana mo ngā mahi matataki ki ngā raupapa nui e taea ana e ia ngā mahi whakawera nui rawa. Kei te pai te noho o te pū kōwhatu hāngai i tana kura e utu nei i te kaha ki te korenga i te hononga hiko, mea atu he pai ki ngā wāhi poroiti me ngā wāhi hangai whare hei hanga i te wā e hokohoko ana i te kura hiko. Nō ngā rautaki matataki, kei reira ētita e whai ake ana i ngā kiritaki paku herehere, ētita whakatakoto kaha whakahaere, me ngā kiritaki whakapae e pai ana mo ngā mahi rerekē, ka tuku iho he pai whakahirahira ki ngā momo rautaki me ngā mahi hangai.