 |
| photo interpretation: 21 phrases in 10 subjects |
| Artillery | 1 |
| Astronautics | 1 |
| General | 1 |
| Geology | 1 |
| Geophysics | 1 |
| Intelligence and security services | 1 |
| Military | 6 |
| Natural resourses and wildlife conservation | 3 |
| Production | 1 |
| Technology | 5 |
|
| photo interpretation: 21 phrases in 10 subjects |
| Artillery | 1 |
| Astronautics | 1 |
| General | 1 |
| Geology | 1 |
| Geophysics | 1 |
| Intelligence and security services | 1 |
| Military | 6 |
| Natural resourses and wildlife conservation | 3 |
| Production | 1 |
| Technology | 5 |