Ko te mowhiti kei te tarai. TeWhakapau-Ringkua wera te pāmahana tika (pāmahana quanching 850 ℃, te pāmahana kaha, te pāmahana i te wā roa, ka rumakina ki te papamuri kia tere haere ai te mātao.

50 c8 whakakai -Whakamutua te riihi.