 |
|
servicing facilities : 28 phrases in 17 subjects |
| Architecture | 1 |
| Armored vehicles | 1 |
| Astronautics | 3 |
| Aviation | 3 |
| Ecology | 1 |
| Economics | 1 |
| General | 3 |
| Law | 2 |
| Makarov | 1 |
| Metrology | 1 |
| Military | 4 |
| NASA | 1 |
| Politics | 1 |
| Rail transport | 1 |
| Space | 1 |
| Technology | 2 |
| United Nations | 1 |