preliminary plan: 21 phrases in 13 subjects |
Astronautics | 1 |
Aviation | 1 |
Business | 1 |
Caspian | 1 |
Energy industry | 1 |
General | 2 |
Military | 7 |
Oil and gas | 2 |
Quality control and standards | 1 |
Sakhalin | 1 |
Sociology | 1 |
Technology | 1 |
Weapons of mass destruction | 1 |