Mā te hoahoa pūtaiao ka hua mai he hanganga whaitake, he āhua māmā, he ātaahua hoki ki te waeine, ā, he pai te whakarewa me te whakakotahi i ngā ngongo tapawhā kounga teitei e whakamahia ana mō te anga hei kawe mai i te haumaru me te pakari. Ko te ara nekehanga e tutuki ana i te mātāpono o te ergonomics me ngā taura maitai kounga kua tohatohahia e te pūtaiao ka hua mai he taumata teitei o te whakamarie me te haumaru.
Ka tiakina pai ngā kaiwhakamahi e te hipoki mai i ngā pereti taumaha, ā, ka whakarei ake i te haumaru o te whakamahinga. Mā ngā peera kounga teitei e whakamahia ana mō ngā hononga ka maeneene ake ngā nekehanga. Mā ngā kakau ringaringa kua hoahoatia pai me te whakamarie teitei ka māmā ake te whakamahi a ngā kaiwhakamahi i a rātou anō, kātahi ka maeneene ake ngā nekehanga.