Operation and Maintenance : 107 phrases in 24 subjects |
Agriculture | 2 |
Air defense | 2 |
Aviation | 13 |
Business | 3 |
Commerce | 1 |
Communications | 4 |
Computer networks | 2 |
Earth sciences | 2 |
Economy | 7 |
Electronics | 21 |
Exhibitions | 1 |
Finances | 1 |
General | 1 |
Hydroelectric power stations | 5 |
Information technology | 5 |
Management | 1 |
Project management | 6 |
Rail transport | 2 |
Shipbuilding | 1 |
Space | 2 |
Technology | 13 |
Telecommunications | 9 |
Water resources | 2 |
Wind Energy | 1 |