 |
|
reference grid : 44 phrases in 19 subjects |
| Air defense | 3 |
| Architecture | 1 |
| Artillery | 1 |
| Automated equipment | 2 |
| Aviation | 1 |
| Cartography | 8 |
| Caspian | 1 |
| Construction | 2 |
| Environment | 2 |
| Hindi | 1 |
| Mathematics | 2 |
| Military | 10 |
| Nautical | 2 |
| Navigation | 2 |
| Oceanography & oceanology | 1 |
| Politics | 1 |
| Space | 1 |
| Surveying | 1 |
| Technology | 2 |