 |
| gas transmission: 50 phrases in 15 subjects |
| Astronautics | 1 |
| Aviation | 1 |
| Combustion gas turbines | 1 |
| Construction | 4 |
| Electrical engineering | 2 |
| Energy industry | 2 |
| General | 8 |
| Makarov | 2 |
| Materials science | 1 |
| Oil / petroleum | 5 |
| Oil and gas | 11 |
| Oil and gas technology | 5 |
| Polymers | 2 |
| Production | 1 |
| Technology | 4 |