maintenance personnel: 47 phrases in 16 subjects |
Armored vehicles | 3 |
Artillery | 1 |
Astronautics | 4 |
Aviation | 1 |
Electronics | 2 |
Energy industry | 1 |
General | 5 |
Military | 1 |
Oil and gas | 5 |
Oil processing plants | 9 |
Programming | 1 |
Sakhalin | 3 |
Technology | 4 |
Telecommunications | 1 |
Transport | 2 |
Weapons of mass destruction | 4 |