【He tino pai ake te tukanga】Ko te hoahoa anga i muri i te tukanga maha-paparanga, he mea hanga ki ngā rauemi haumaru ārai-tukituki, ā, ko te hanganga koki mimiti pānga ka taea te whakamarara i ngā pānga kino.
【He ergonomic ake】He pai ake te pupuri i te kakau, ā, kua whakapai ake te hoahoa pupuri kore-paheke. Mā te paninga rauemi kounga teitei ka ngawari te pupuri, ā, ka ārai i te kiri mākūkū, i te wā e whakamahia ana, kāore koe e māharahara i te werawera, kia pai ai te ataahua o ngā hākinakina.
【He rauemi kounga teitei ake】 Mā te whakamahi i te rauemi rapa kounga teitei ahurei, he maeneene engari kāore e paheke ki te pupuri; he māmā ake te muru me te horoi i tēnei rauemi. He haumaru ake, kāore he paitini, kāore he kino, ā, kāore he kakara.
【Rino maka totoka】He mea hanga ki te rino maka kounga teitei hei whakapakari i te pakari, te pakari, me te pumau. E kore te hanganga totoka e whati, e piko rānei i muri i te whakamahinga maha.