 |
| servicing operations: 28 phrases in 19 subjects |
| Automated equipment | 1 |
| Caspian | 2 |
| Computer networks | 1 |
| Construction | 1 |
| Finances | 1 |
| General | 1 |
| Logistics | 1 |
| Mechanics | 1 |
| Military | 4 |
| Oil / petroleum | 2 |
| Oil and gas | 3 |
| Oilfields | 2 |
| Programming | 2 |
| Rail transport | 1 |
| Sakhalin | 1 |
| Security systems | 1 |
| Technology | 1 |
| Telecommunications | 1 |
| Water resources | 1 |