He kakau pane papatahi, he ngongo kotahi te tauranga, he ngongo waipēhi kotahi 72Mpa

Ngā Āhuatanga
1. He pou papatahi te pane, he hoahoa ngongo kotahi, he hoahoa atanga kotahi, ka taea te whakahaere i raro i te pēhanga, ā, kei te tū tika mā te pēhi kotahi.
2. Ko te whirihoranga paerewa he 5 mita, ā, kua hangaia te paipa pēhanga-tiketike ki roto i te paipa pēhanga-iti hei whakarei ake i te haumaru o ngā kaiwhakamahi.
3. Te pēhanga paipa pēhanga teitei kua hangaia ≥72Mpa, te pēhanga paipa whakahoki pēhanga iti ≥2.5MPA
4. Kāore he pona, he mea whakararuraru rānei i te wā e whakamahia ana, he mea ngāwari ki te pōkai me te wetewete.
5. Mā ngā tae e rua, arā, te kōwhai me te kikorangi, ka mārama ake te whakaaro o ngā kaimahi whakaora ina whakamahia.