maintenance group: 37 phrases in 12 subjects |
Armored vehicles | 2 |
Aviation | 2 |
Caspian | 2 |
Computer networks | 1 |
Intelligence and security services | 1 |
Medical | 2 |
Military | 14 |
Oil / petroleum | 4 |
Oil processing plants | 5 |
Technology | 2 |
Telecommunications | 1 |
Tengiz | 1 |