Ngaru mai ngā matataki tāke whakamahana rūa i te hanga i ngā kōwhiringa e āhei ana ki te whakawehi i ngā momo hua whakamahana nui. Ki te whakamahi i te mohiotanga roa o te whakaaetanga ā-hua me te haumanu haumaru, ka hanga ngā waka me ngā pūnaha e pai ana hei whakamahere mō ngā hua whakamahana, pērā ko ngā porihanga inox rānei ko ngā pūmotu whakaritea. Ka hanga ngā matataki i ngā tohu haumaru matatau, pērā ko ngā whare rua, ko ngā tūru pūtake moehe, me ngā raraunga whakamomori pūtau. Ka tiakina anō hoki ngā tikanga tuatahi me ngā tikanga whenua mō te haumanu whakawāhia. Ki te tuku atu i tētahi wariu o ngā momo taurite me ngā momo whakarite, ka tautoko ngā matataki tāke whakamahana rūa i ngā rorohiko ki te whakamahere i ngā hua whakamahana ki runga i ngā paku rahi me ngā whenua rerekē.