 |
| liquid seal: 20 phrases in 14 subjects |
| Cement | 1 |
| Electronics | 1 |
| Energy industry | 2 |
| General | 1 |
| Makarov | 1 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oil processing plants | 1 |
| Oils and lubricants | 1 |
| Polymers | 1 |
| Refrigeration | 1 |
| Technology | 6 |