Te uta wai me te huna i raro i te toki, 45% o te rahinga o te pahū.
He rakau kawemai EKKI mai i Awherika ,1400kg/m3, mea whakakakahu maori mo te 9-12 marama, 15 tau te whakamana.
Ko te karauna me te pungawerewere i mahia mai i te rino maka, te whakarewa me te miro, ka whakamahia katoatia he raihana ora haunga te abrasion noa.