Kōwhaiwhai hangarau he mīhini whakamahere e āhei ana ki ngā huringa o te hunga mahi i runga i te tūranga o te kaweake. I ngā whenua pērā i te pakiri, te motokā, me ngā rorohiko, ka hiahia ngā mahi ki te whakawhanake i ngā huinga e huringa ana, e koukou ana, rānei e whakapakari ana i a rātou auau, ko te kōwhaiwhai hangarau e tiaki ana i ngā kōwhaiwhai kua tuhi hei whaihua noa i enei mahi. Ko te whakatakotoranga o te kōwhaiwhai hangarau kei te whakamahi i ngā pūtake me ngā whakatūhanga e āhei ana ki te whakahoki i te pai o te whanaketanga me te whakapakari. Ka whakauru ngā pūmotu whakapā mai i te kōwhaiwhai hei pūtake, e āhei ana ki te whakapakari me te whakakore i te kōpūtahi. Ko ēnei pūmotu ka hangaia he whiuwheku rerekē, e āhei ana ki te whakarite ki ngā huringa āhuarangi o te materiana. Ko ngā pūngao i roto i te kōwhaiwhai hangarau ka tohua nui ki ngā rangitaki pūnaha waka me te whakaae ki te pūtake rerekē. Ka whakawehewehea rātou ki roto i te pūnaha kōwhaiwhai hei whakatika i te pai o te waka pūnaha waka i te wā e whakapakari ana te pūnaha kōwhaiwhai. Nā te mea hoki, ka whakamahi i ngā whakatūhanga hei whakatipu i ngā atu pūnaha, pērā i te whakapae ki ngā pūnaha rerekē, te whakataki ki te hurihuri, me te whakataki ki te huringa āhuarangi. Kei te āhei te kōwhaiwhai hangarau ki tētahi nui atu o ngā pūnaha, inaianei ko ngā pūnaha rerekē, ko te rūparuparu, me ētahi whenua kākahu. Ki runga i te whenua pakiri, ka whakamahi ia hei tuhi i runga i ngā pouaka rerekē me ngā lābela, e hiahiatia ana ki te whakatika i ngā huringa o te tae, te whakapae, me te whakahaere. Ki runga i te whenua motokā, ka whai wāhi ia hei tuhi i runga i ngā whatu waho e āhei ana ki te hurihuri i ngā auau āhuarangi me ngā huringa meka. Ki runga i te whenua rorohiko, ka whakamahi te kōwhaiwhai hangarau hei tuhi i runga i ngā papa waewae rerekē me ētahi atu whatu rorohiko rerekē, e hiahiatia ana ki te whakatika i tana whakanoho me te whakahaere i te wā e huri ana rānei te pūnaha. Ki te whakamahia ake ngā huringa i ngā mahi, ka nui ake te take o te whakamahere me te whakamahi o te kōwhaiwhai hangarau hei whakatika i enei take.