 |
| firing tube: 8 phrases in 6 subjects |
| Aeronautics | 1 |
| Aviation | 1 |
| Mass media | 1 |
| Nautical | 3 |
| Technology | 1 |
| Weapons of mass destruction | 1 |
|
| firing tube: 8 phrases in 6 subjects |
| Aeronautics | 1 |
| Aviation | 1 |
| Mass media | 1 |
| Nautical | 3 |
| Technology | 1 |
| Weapons of mass destruction | 1 |