 |
| gas capacity: 42 phrases in 19 subjects |
| Aerohydrodynamics | 1 |
| Astronautics | 1 |
| Automated equipment | 1 |
| Caspian | 4 |
| Construction | 1 |
| Economy | 1 |
| Energy industry | 1 |
| Geology | 1 |
| Makarov | 2 |
| Metallurgy | 2 |
| Mining | 1 |
| Natural resourses and wildlife conservation | 2 |
| Oil / petroleum | 3 |
| Oil and gas | 11 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Pipelines | 1 |
| Sakhalin | 3 |
| Technology | 4 |