Pūnaha Tatau Tika
Ko te punaha whakakaha o te kaitirotiro tārore he tohu hou i te hangarau mō te tapahi i ngā tārore. Kei te pū o tēnei punaha he whiringa whakakaha nui, he mea hanga nō te tungsten carbide, e whakapangia ana kia tino whakahirahira ai i ngā rārangi tapa tika ki runga i ngā mata o ngā tārore. Ko tēnei whiringa i whakaurua ki tētahi punaha pāpaku tino āhua, e whakapumau ai i te nekeneke tika, tāngata hoki i te wāhi katoa o te tapahinga. Ko te punaha tapahi i hangaia kia whakauru ai i te pēhi tika i te wā o te whakakaha, ka hua ai i ngā tapahi pakari, kāore he pāpaku, he rāraru rānei. Ko te punaha kei te whai aratohu ine māmā, ā, kei a ia ngā ine mita me ngā ine Ūropi, e āwhina ai i te whakaurunga tika i ngā tārore. Ko te rārangi tapahi he mea hanga nō te mātāpuna kaha, he inuhi rānei, ka tū tonu te tika o tātou ahakoa mā te tau whakamua. Ko tēnei wāhanga he mea matua hei whiwhi i ngā tapahi tika, nā te mea kāore he whakaritenga ka hua ai te tapahi kāore i te tika. Ko te hoahoa o te rārangi tapahi kei te whai kauta tautohetohe hoki, e taea ai te tautuhi mō ngā tapahi e hiahiatia ana, ka whakapai ake i te mahi i ngā kaupapa nui.