Mowhiti Hiri Wao
Tawhā Hangarau
Ko te waro-kauwhata he taonga whakahinuhinu-whaiaro, he taonga mo te hiri mo te kanohi e whakamahia ana me nga mowhiti whakahiato o nga mea uaua penei i te carbide silicon, alumina, tungsten carbide ranei.He pai ake te kakahu o a maatau waro me te aukati matū whanui.Ko nga waikura mohoao tae atu ki te waikawa waiwaro me te waikawa nitric, kei te waatea nga waro waro motuhake.