 |
| operations engineering: 45 phrases in 16 subjects |
| Astronautics | 3 |
| Aviation | 1 |
| Caspian | 2 |
| Construction | 2 |
| Energy industry | 1 |
| General | 5 |
| Information technology | 1 |
| Military | 15 |
| Nautical | 1 |
| Nuclear and fusion power | 2 |
| Oil and gas | 3 |
| Production | 1 |
| Programming | 4 |
| Sakhalin | 1 |
| Technology | 2 |
| Transport | 1 |