Anei ētahi tānga hiraka kua mahia e mātou mā ō mātou kiritaki, e kite ana koutou, ko te tānga hiraka he 1-3 ngā tae, ā, ko ngā tae e rua he tawhiti. Ko te tawhiti he nui ake i te 3mm.
Mā te tānga hiraka ka maeneene, ka papatahi te mata o te pounamu/ipu, ka taea te tānga hiraka pāmahana teitei (he roa ake te wā pupuri, engari he mārama ake te tae) me te tānga hiraka pāmahana iti (he kanapa te āhua).
