He pereti maitai papatahi taumaha kei raro o te mīhini. Ka hurihia e te mīhini penehīni iti, te mīhini tīhi rānei he taumaha kei waho o te pokapū ki roto, ka puta he wiri kaha ki runga, ki raro. Mā tēnei wiri, me te taumaha o te mīhini ake, ka panaia ngā matūriki oneone kia tata atu, ka tangohia ngā āputa hau. Ko te nuinga o ngā tauira e wiri ana i waenga i te 4000 me te 5800 ngā wā ia meneti, ā, ko te kaha e puta mai ana ka inehia i roto i ngā kilonewton (kN). Ko te kaha nui ake ko te hohonu ake o te whakakī i te kotahi haerenga.
Ka rerekē anō hoki te whanonga o te mīhini i ngā rahi rerekē o ngā pereti. Ka pai te toro atu o ngā pereti whaiti (tata ki te 35–50 cm te whānui) ki ngā kokonga kuiti, ko ngā pereti whānui ake (tae atu ki te 67 cm) ka tere ake te kapi i te whenua. Ka āraia e ngā whakairi rapa mimiti-ru te nuinga o te rūrū kia kore ai e pāngia e ngā ringaringa o te kaiwhakahaere, kia iti ake ai te hoha o te mahi.
Ka whakamahia e ngā kaimahi kirimana ngā mīhini whakakī pereti wiri mō ngā mahi o ia rā. Ka whakaritea e rātou ngā turanga i raro i ngā ara māra, ngā ara waka, ngā papa me ngā whakatikatika rori iti. Ka pai te urupare a te onepu me te kirikiri nā te mea ka āwhina te wiri i ngā kirikiri kia piri pai. Ka pai hoki te whakakī o ngā ranunga raima maroke me ngā kōhatu iti mō ngā turanga me ngā papa.
Mō te mahi uku, ka rerekē te āhua. Ka piri te uku wera, makariri rānei ki tētahi pereti maroke, ā, ka kore e ōrite ngā mata. Koia te take e rehuhia ai e ngā tauira he tāke wai kei roto he kiriata wai angiangi hei aukati i te piri me te whakaiti i te puehu i te wā kotahi.

Ka neke whakamua noa ngā tauira ahunga-kotahi. He mama ake (65–120 kg te taumaha) ā, he māmā ake te kawe me ngā kakau takai, ngā wira iti rānei. He pai ēnei mō ngā wāhi papatahi tuwhera pērā i ngā ara waka, i ngā whenua rānei ka taea e koe te hikoi i ngā rārangi tika.
Ka neke whakamua, ka neke whakamuri hoki ngā mīhini whakakī pereti hurihuri, ā, he maha ka taea te wiri i te wāhi kotahi. Ka penapenahia he nui te wā i roto i ngā rua whaiti, i te taha o ngā pakitara, i te taha o ngā turanga, i ngā rohe whakakī whakakī rānei e uaua ai te huri ā-ringa i te mīhini. Ko ngā mīhini hurihuri taumaha (125–330 kg) ka kaha ake te kaha (25–38 kN) ā, ka tae ki te hohonutanga whakakī tae atu ki te 90 cm, ka pai ake ai mō ngā mahi hohonu ake, mahi iti rānei.
Tīmata tonu me te matotoru tika o te rauemi. Horahia te oneone, te kirikiri rānei kia paparanga, kaua e matotoru atu i te mea ka taea e te mīhini te pupuri (ko te tikanga he 20–40 cm te matotoru, kei te kaha). Kia toru, kia whā rānei ngā haerenga taupatupatu ki runga i ia paparanga, me te hikoi tonu i te tere pumau.
Tirohia te makuku o te oneone i te tuatahi. Mēnā he kirikiri matotoru, he tino makuku, ka pekepeke te pereti, ā, ka kore e neke whakamua mārire. Mō te uku, whakatuwheratia te takirere o te tāke wai, kia kī tonu. Ki te kore he wai, ka tōia te pereti, ka waiho he tohu taratara.
Mauria he karapu, he tiaki taringa, me ngā pūtu pakari i ia wā. Kia oti te mahi, horoia te paru me ngā kōhatu i te pereti me te anga kia kore ai he mea e mārō, e raru ai i te wā e whai ake nei.
Ko te painga nui ko te whakapai ake i te whenua tere, pono hoki, e aukati ana i te taunga a meake nei. Ka tere ake te whakaoti i ngā mahi e ngā tauira hurihuri i ngā wāhi uaua, ā, ka whakaiti i te kaha o te kaiwhakahaere. Ka piki ake te putanga o ia rā mā ngā pereti whānui me te kaha porotītaha teitei ake, i ētahi wā ka eke ki te 500–650 mita pūrua ia hāora.
Ka penapena moni anō hoki te whiriwhiri i te mīhini tika. Mā te tauira e rite ana ki te momo oneone, te hohonu e hiahiatia ana me te rahi o te papa ka karohia ngā haerenga tāpiri, te moumou wahie me te mahi anō. Ko ngā āhuatanga pēnei i ngā pana tiaki hinu me ngā pereti turanga pakari ka noho iti te whakatikatika i roto i ngā tau maha e whakamahia ana.
Tirohia ngā pūtu katoa i muri i ia mahi, ā, whakaukia ngā mea e ahua wetekina ana. Ka whakaitihia te mana e ngā mea wetekina, ā, ka pakaru pea ngā wāhanga utu nui. Whakawhitihia te hinu miihini i muri i ngā wiki tuatahi e rua o te whakamahinga, kātahi i ia toru ki te rima marama.
I ngā āhuatanga puehu, horoia, whakakapia rānei te tātari hau i ngā wā katoa. Ki te kore te mīhini e tīmata, tirohia te wahie, te mono mura me te carburetor i te tuatahi – ko te nuinga o ngā raruraru ka puta mai i ēnei wāhanga e toru.
Ka tukuna e te mīhini whakakī pereti e tiakina pai ana te mahi pumau i runga i te onepu, te kirikiri, te oneone whakauru me te uku. Mā te whakataurite i te kaha whakatere, te whānui o te pereti, te momo ahunga me te tāke wai ki ō āhuatanga mahi tūturu ka puta te tere pai rawa atu, te kounga o te whakaotinga me te uara roa mō ia kaupapa.