1. He iti rawa te kaha o te pū rivet e whakamahia ana. Ina tōia te pū whao, kāore e taea te whati i te wā kotahi. Mēnā ka tōia kia rua, kia toru, kia maha atu rānei, ka puta he kopa i te pūwāhi whati.
2. Ngā raruraru kounga o ngā rivet matapo tuwhera.
3. Te roa o ngā rivet matapo tuwhera. Mena he angiangi te matotoru o te rivet, ā, he roa rawa te roa o te rivet, ka puta he kopa i muri i te rivet, ā, ka kitea te tokotoko whao.
Wā tuku: Pipiri-02-2022