 |
|
position fixes : 76 phrases in 19 subjects |
| Air defense | 1 |
| Aviation | 2 |
| Chess | 1 |
| Construction | 1 |
| Economics | 1 |
| General | 4 |
| Gyroscopes | 1 |
| Machinery and mechanisms | 1 |
| Makarov | 4 |
| Mass media | 1 |
| Mathematics | 1 |
| Military | 2 |
| Nautical | 39 |
| Navigation | 1 |
| Shipbuilding | 1 |
| Space | 5 |
| Surgery | 3 |
| Technology | 5 |
| Transport | 2 |