Njirimara ngwaahịa
| Ụdị ngwaahịa | DIN ụgbọ okporo ígwè |
Akụkụ
| Obosara | 15 mm |
| Obosara oghere | 12.2 mm |
| Ogologo | 5,5 mm |
| Ogo oghere | 4.2 mm |
| Oghere olulu mmiri | 20 mm |
Nkọwapụta ihe
| Agba | ọlaọcha-acha |
| Ihe onwunwe | Igwe igwe |
| Mkpuchi | galvanized, passivated na oké oyi akwa |