a) He mea hanga ki te nairona.
b) He tinana kore-arahi hiko, e whakamahia ana hei raka i ngā wehewehe hiko me ngā whakaritenga teitei ki ngā wāhi waikura, ātete-pahū rānei.
c) Me te diameter o te here here 3mm, 6mm rānei e wātea ana.
| Wāhanga Nama. | Whakaahuatanga |
| NH04 | Rahi katoa: 61.5×105mm, e whakaaetia ana kia 4 ngā raka. |
| NH05 | Rahi katoa: 61.5×106mm, e whakaaetia ana kia 4 ngā raka. |

