 |
| crew maintenance: 38 phrases in 18 subjects |
| Armored vehicles | 6 |
| Astronautics | 4 |
| Aviation | 3 |
| Business | 1 |
| Collective | 1 |
| Economy | 1 |
| European Bank for Reconstruction and Development | 1 |
| General | 2 |
| Insurance | 1 |
| Makarov | 3 |
| Military | 7 |
| Oil / petroleum | 1 |
| Oilfields | 1 |
| Rail transport | 2 |
| Technology | 1 |
| Telecommunications | 1 |
| Thermal engineering | 1 |
| Torpedoes | 1 |