Te whakarato i ngā aroturuki 1.8"-31" hei whakatutuki i ngā hiahia rerekē mō ngā tono a te kaihoko me ngā mara ngaio.
E tuku ana i ngā ratonga whakaritenga hei hoahoa me te hanga i te Pūrere Raraunga Waea Atamai hei whakatutuki i ngā hiahia o ngā ahumahi.
