 |
| gas density: 39 phrases in 17 subjects |
| Aerodynamics | 1 |
| Aerohydrodynamics | 3 |
| Chemistry | 1 |
| Electronics | 3 |
| Energy industry | 1 |
| Makarov | 4 |
| Meteorology | 1 |
| Metrology | 3 |
| Military | 1 |
| Oil / petroleum | 9 |
| Oilfields | 2 |
| Production | 1 |
| Sakhalin | 1 |
| Technology | 4 |
| Thermal engineering | 1 |
| Transport | 1 |
| Радиоактивное излучение | 2 |