 |
| English thesaurus | |||
| |||
| ex prf (Alexey Lebedev) | |||
| ex-proof: 17 phrases in 10 subjects |
| Electric motors | 1 |
| Electricity | 1 |
| General | 1 |
| Mechanic engineering | 1 |
| Oil and gas technology | 1 |
| Oil processing plants | 1 |
| Quality control and standards | 1 |
| Security systems | 8 |
| Technology | 1 |
| Valves | 1 |