routine maintenance: 58 phrases in 17 subjects |
Armored vehicles | 2 |
Aviation | 2 |
Business | 1 |
Economy | 1 |
General | 6 |
Information technology | 3 |
Logistics | 2 |
Machine tools | 1 |
Mathematics | 1 |
Navigation | 1 |
Oil / petroleum | 2 |
Oil processing plants | 2 |
Programming | 1 |
Quality control and standards | 1 |
Technology | 29 |
Telecommunications | 2 |
Weapons and gunsmithing | 1 |