Nā ngā kāri rifa ā-tirohanga e whai ake ana i te maha o ngā pūtake pai mo ngā pakihi me ngā rōpū e hiahia ana ki te whakamahi i ngā tūtohu whakapūmau. Tuatahitia, ka tuku rātou i te whakaharahara tūroa me te manaaki tūroa i te wā, e hīkina nei te kotahiutanga nui atu i ēnei take whakapūmau matua. Ko te whakawhanaunga taketake hei whakaatu i ngā painga ka whakamahia hei taumata whakaaro nui, ka whakatangitangi i te whakaataki marae ā-poro me te whakaharahara i ngā kaimahi. He mea nui rawa noa ko ēnei kāri he iti tonu i te utu, e tukuna ana i te huarahi pai ki te whakahau i te hiranga me te whakaharahara i ngā kaimahi i te utu iti tonu ki te kaiwhakarite. Ko te ahurea tuatahi o ngā kāri ā-tirohanga ka whakaae ki te whakahaere paihere i ngā taonga me te whakarite moni, e tirotiro ana i te whakahaere paihere i ngā kamupene whakapūmau me te whakapai i te nui o te whiu. He pai rawa rātou i te whakahaere i te haerenga ki ngā toa me te whakapai i te wā kua noho ai te kaimahi. Ko te iti me te whanaketanga o ngā kāri ka whakamana i a rātou hei whakamahi i ngā tari nui, inaianei ki te rīrī tūhonohono, te kaihoko taketake, me te maketinaga i ngā pūnaha. Ko ngā pūtake tirotiro ā-momo ka whakamana i te tirotiro pai i ngā ratonga whakahau me ngā matawhāiti kamupene. E āhei ana hoki ngā kāri ki te hanga hei whakarite i ngā raraunga kaimahi whaihua i ngā pūnaha whakahau, ka tuku i ngā mōhiohio mō ngā kāwai whakarongo i muri iho. Ko te whaiaro o ngā kāri rifa ā-tirohanga ka whakarite i rātou hei whakamahi mo ngā momo rerekē, mai i ngā whakapūmau toa ki ngā pūnaha whakangao moni, me te whakaaweawe i te kawe korero ki ngā whakamahi.