He karetao hononga poutū maha-tuaka e ono tēnei, kua hangaia mō ngā mahi tino tika pēnei i te whakahaere, te kohikohi, te tākai, me te huihuinga. Me te kawenga mōrahi tae atu ki te 600kg, ka whakarite kia whānuitia te mahi puta noa i ngā tono ahumahi. Ka tukuna e te karetao he ±0.02mm te kaha ki te whakahoki, he mea tino pai mō ngā mahi tino tika pēnei i te whakarewa ira me te whakahaere rauemi. Nā tōna hoahoa kiato me ngā kōwhiringa tāutanga maha (papa, pakitara, whakairinga huripokitia rānei) ka whakarei ake i te urutau ki ngā wāhi mahi kanorau.
