Ko ngā porotini whakauru ake anō he taputapu whakarewa e āki ai te tautohe me te whakarite i te totohu ū ki runga i ngā waahanga kōaru, ka tūhono ai ki te whakamātau i te wāhi papaku. Ko te āhua motuhake o ēnei ko te paparua, ko te pāpaku hoki rānei e āki ai te porotini kia pōkai, kia rere, kia pakaru rānei i te āhua o te mata—ka wehe kē pea te here o te mahi ā-ringa, ka iti ake hoki te hapa o te kaimahi. Ka tūhono tēnei arataki whakauru kia taea ai te whakauru i ngā mata paripari, poutū, rānei (pērā i ngā karu mātāmata o ngā waka, ngā rāwhara turubine, te kōpae rānei), kia tāwhai katoa ngā wāhi e hiahiatia ana, kia kaua e nui ake te whakauru i ngā wāhi pāpaku, kia kaua hoki te iti i ngā wāhi raro. Ko te takotoranga porotini o te porotini, e hangaia ana mai i te poroporo, te huruhuru, te kore-kume rānei e whai pāpaku marino ana (400-2000+), e mahi tahi ana me te paparua kia tāwhai ai i ngā mutunga kore-porotini. Ko te paparua kei te whai takotoranga taumaha e herehere ai i ngā rīpene, ka pai ake ai te ū o te mata, ka iti ake hoki te raru o te kaimahi i te wā e roa ana te whakamahi. Whakamahia whānuitia ngā porotini whakauru ake i te ao automōtika, ka whakauru ai i ngā karukaru ki runga i ngā raina tinana poutū kāore ai i te “wāhi pāpaku.” I te hanga manawa hau, ka whakauru i ngā āhua autō muramura o ngā wāhanga waka, kia tāwhai ai te māmā o te hau. I te hanga kōpae, ka whakauru i ngā mata kōpae kia ū tonu ai te wehenga o ngā wāhanga, te kounga mata rānei i te whakapakoko inu pāpaku. E ono ana ki ngā taputapu porotini, ngā taputapu hoki tuarua-ara, e whakahaere ana i ngā tere rerekē, me te tere iti hei te whakamahi ki ngā mata kātata. Ko te hoahoa e iti nei i te hau para, ka haumaru ai ki te whakamahi ki ngā taputapu e mōhiotia ana ki te hau para pērā i te tāmata, te pāpaku rānei. Mō ngā kaimahi e rapu ana i te uara, i te ū o te whakauru i ngā mata kōaru, he iti noa ngā porotini whakauru ake i te whakamahinga anō, he iti ake hoki te wā e hiahiatia ana, ā, he pai ake ngā putanga ki te whakamahi i ngā porotini kākāriki—ka tūhono ai ki ngā umanga e nui ana te ū o te mata, te ū o te mata.