 |
| accidental error: 7 phrases in 7 subjects |
| Astronomy | 1 |
| Economy | 1 |
| Nautical | 1 |
| Navigation | 1 |
| Quality control and standards | 1 |
| Technology | 1 |
| Weapons and gunsmithing | 1 |
|
| accidental error: 7 phrases in 7 subjects |
| Astronomy | 1 |
| Economy | 1 |
| Nautical | 1 |
| Navigation | 1 |
| Quality control and standards | 1 |
| Technology | 1 |
| Weapons and gunsmithing | 1 |