 |
| gas-washing: 22 phrases in 13 subjects |
| Agrochemistry | 1 |
| Analytical chemistry | 3 |
| Chemistry | 3 |
| Construction | 1 |
| Electronics | 1 |
| Energy industry | 1 |
| Gas processing plants | 1 |
| Makarov | 1 |
| Occupational health & safety | 1 |
| Oil / petroleum | 4 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Technology | 3 |