He karetao whakarewa mahi tahi tēnei, he rama whakarewa tino tika me te pūnaha aroturuki kaha, ā, ka mahi i te whakarewa pewa tika ki ngā wahi mahi whakarewa. Ka mahi haumaru i te taha o ngā kaimahi me te kore he arai tinana, he mea tino pai mō ngā āhuatanga whakarewa motuka, pepa whakarewa me ētahi atu āhuatanga whakarewa ahumahi. Ka tukuna e ia he whakarewa ōrite, pumau, ka whakanui ake i te pai me te kounga o te whakarewa, ka whakaiti i ngā mōrearea me ngā utu mahi ā-ringa, ka akiaki i ngā whakapainga whakaputa aunoa ngāwari mō ngā wheketere.
E whakaatu ana tēnei tuhi i te hanganga ā-pūkaha me ngā āhuatanga tāutanga o tētahi karetao whakarewa mahi tahi, e tohu mārama ana i ngā awhe haere hononga, te radius mahi mōrahi, ngā tawhā roa ringa, me ngā āhuatanga tāutanga turanga. E tautuhi ana i te takai nekehanga me ngā whakaritenga tūnga tāutanga o te karetao, e whakarato ana i ngā raraunga tika mō te whakatakotoranga ki te papaanga, te tahora teihana mahi, me te whakaurunga raina whakaputa aunoa, e whakarite ana i ngā mahi whakarewa tika me te haumaru.