Mata niho pou Mata wiri toka Mata putiputi paramu Mata niho pou Ngā āhuatanga o te hua:
1. He tino pai te keri o te moka niho pou: mā te whakamahi i te hangarau motuhake, he tino mārō ngā niho pātene koranu, he pakeke (HRA) ≥92.5, he kaha ≥2800N.
2. Ka piki ake te roa o te ora o te tinana tarau o te niho pou mā te 50%: ka whakamahanahia te tinana tarau, ka hangaia hoki kia tino tika, he tino kaha te tinana tarau, ā, kāore e whati.
3. Te keri me te keri tere-rahi, kāore e taea te hinga.





Ko mātou tētahi o ngā kaihanga hama keri toka rongonui i Haina, he tohunga ki te hanga taputapu keri toka me te mahi toi tino pai me ngā rauemi pai rawa atu, i hangaia kia rite ki ngā paerewa kounga ahumahi me te tiwhikete pūnaha whakahaere kounga CE, ISO9001. He ngāwari te tāuta, te whakahaere me te tiaki i ēnei mīhini keri. He utu tika ngā mīhini keri, ā, he ngāwari ki te whakamahi. Kua hangaia te keri toka kia pakari, kia roa, kia kore e pakaru wawe, me te whānuitanga o ngā taputapu keri toka.