● Ko nga matūriki mātotoru, te aukati i te pāmahana teitei, te aukati waikura, karekau he wahi huna
● High elasticity, totoro noa kahore deformation, parewai me te hinu-tohu
● Hoahoa whakairi, he waahi-whakaora, he pai ake te whakamarumaru o te ringa
● Ko te concave o roto me te convex, he pai me te kore e paheke, te whakamahana wera me te tiaki i o ringaringa