He maha ngā pai me ngā hē ki te whakamahi i ngā etita tūhono holo, e whai ake nei hei take matua mō ngā pakihi e hiahia ana ki te whai i ngā whakaaetanga tirotiro ā-matihiko me te tirotiro pūtake. Tuatahitia atu, ka tuku ngā etita nei kotahi o ngā rauemi tohu kaiwhakaaweawe haere e whai ake nei, nā te mea he maha ngā āhuatanga tirotiro matihiko, e whai ake nei, e mahaki tonu ana ki te whakaaweawe anō. Ko ngā pūngao matataki ā-kanohi e hanga ai he tohu tirotiro herehere tūpūtahi me te kore i te hiranga āhua mo te tirotiro iti. Mai i tētahi tuarua, ka noho tūmanawa nui ngā etita nei, ka hangaia hei whai i ō rātou mana ki runga i ngā āhuatanga taiao rerekē, inaianei ko te whakaputa mai i ngā paunga wera, ko te wai, me te whakahaere tika. Ko ngā whiringa kaweake e taea ana ki ngā etita holo e whakaae ana i ngā pakihi ki te whakauru i ō rātou take tuku iho ahakoa te whai i ngā āhuatanga tirotiro, e hangaia nei he taumata tika i waenganui i te pānui me te tirotiro. Ko te whakaritekite o ngā momo kaweake e kitea nei, ka whai ngā etita nei i te whakamahi tika ki runga i ngā mata whei ao, mai i te kāpihikura ki te poraka ki te mirimiri. He mea nui hoki te whakaputuaroa, nā te mea ka hē ki te whakapakari i te utu, ahakoa te mea nui rawa o ngā pūtea e pā ana ki te whakaae i te wehewehe. Ka taea hoki e ngā etita nei te whakahē i ngā kaiwhakaaweawe haere, ka whakaiti haere i te whakahaere i ngā mahi wehewehe. Mō ētahi atu, ka whakapai ngā etita holo i te whakaaturanga o te mahi, ka whakauru i te ara whakanui i te uara e kitea nei, ka whakawhirinaki ki te whakamana i te kēmu o te kaiwhakamahitahi. Ka taea e te hunga kaiwhakahaere me ngā kaiwhakamahi anō te tirotiro herehere me te torotoro, ka whakatika i te mahi tirotiro, ahakoa te whai i ngā paerewa tirotiro nui.