 |
| gas valve: 135 phrases in 29 subjects |
| Astronautics | 7 |
| Astronomy | 2 |
| Automobiles | 2 |
| Cement | 1 |
| Chromatography | 2 |
| Construction | 5 |
| Drilling | 6 |
| Electrical engineering | 4 |
| Energy industry | 5 |
| General | 4 |
| Makarov | 4 |
| Mechanic engineering | 3 |
| Metallurgy | 6 |
| Military | 3 |
| Mining | 4 |
| Nanotechnology | 1 |
| Occupational health & safety | 1 |
| Oil / petroleum | 3 |
| Oil and gas | 10 |
| Oil and gas technology | 4 |
| Oilfields | 5 |
| Production | 1 |
| Refrigeration | 1 |
| Sakhalin | 10 |
| Silicate industry | 1 |
| Technology | 35 |
| Tengiz | 1 |
| Thermal engineering | 3 |
| Transport | 1 |