pū kō whatu me ngā pere
Kei te whai take ngā hākari matihiko me ngā pūtahi hei tāonga matua i ngā mahi whakarokohanga ā-wāhanga o nāianei, e whakapakiri ana i te hanga matihiko pneumatica me te hanga tika. E whakamahi ana ngā tāonga nei i te hāwhe i roto i ngā wāhi kia puta ai ngā pūngao maha, ka whakatīnana hoki i te pūtahi whakarokohanga, kia whiwhi ai i te whakangungu pai ki runga i ngā rite tuhinga. Ko ngā take e rua nui o te rākau: ko te mēkanika pūtahi, e whakawhanake ana i te hāwhe pneumatica ki te kōwhiringa matua, me ngā pūtahi tika e hanga ana mo ngā take āhuatanga. Kei ngā hākari matihiko ā-rā o nāianei ngā rangahau whakamātau e whakatika tonu ana i te whakamahi hāwhe, ahakoa kua whiwhi i te kaha pūtahi, e noho ana i waenganui i ngā paetae 90 me 150 PSI. Kei ngā pūtahi ngā tipi karbida me ngā patipati tika e whakatere ana i ngā karaeke i te wā e mahi ana. Kei te pai rawa ngā tāonga nei ki ngā mahi e whai ake nei mai i te hanga whare me te mine ki te whakamātau whenua me te hanga pumau. Kei te hanga anō ngā ara hā i roto i te rākau, e whakahaere ana i te mahi pūtahi, e tautoko ana i te whakawehenga wehi, me te whakakore karaeke. Kei te whakapai tonu te hanga me ngā whakawai hou, e whakaora ana i te whakawehe kōwhatu, e whakapai ana i te whakamahi ēneiti, me te whakatīnana i te oranga rākau ki runga i ngā materia o mua me ngā hanga kōwhiri.