 |
| operational facilities: 15 phrases in 9 subjects |
| Architecture | 1 |
| Astronautics | 2 |
| Aviation | 1 |
| Caspian | 1 |
| Energy industry | 2 |
| General | 2 |
| Information technology | 1 |
| Microelectronics | 1 |
| Military | 4 |
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