 |
| ine maintenance: 64 phrases in 22 subjects |
| Aeronautics | 2 |
| Armored vehicles | 2 |
| Astronautics | 3 |
| Aviation | 6 |
| Computers | 2 |
| Construction | 1 |
| Electrical engineering | 4 |
| Electronics | 1 |
| Energy industry | 1 |
| General | 3 |
| Logistics | 2 |
| Mass media | 1 |
| Medical | 1 |
| Military | 7 |
| Oil and gas | 4 |
| Oil and gas technology | 1 |
| Production | 2 |
| Rail transport | 2 |
| Technology | 8 |
| Telecommunications | 9 |
| Tengiz | 1 |
| Transport | 1 |