 |
| |||
| length of stay (Alexander Demidov) | |||
| residence | |||
| продолжительность нахождения: 23 phrases in 12 subjects |
| Astronautics | 1 |
| Drilling | 1 |
| Economy | 1 |
| Electronics | 1 |
| Energy industry | 4 |
| General | 1 |
| Medical | 1 |
| Military | 4 |
| Nautical | 3 |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Technology | 3 |