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Control Center : 635 phrases in 47 subjects |
| Air defense | 21 |
| Architecture | 1 |
| Automated equipment | 1 |
| Automobiles | 18 |
| Aviation | 156 |
| Bodybuilding | 1 |
| Business | 4 |
| Chess | 1 |
| Communications | 3 |
| Computer networks | 1 |
| Desert science | 1 |
| Drilling | 2 |
| Earth sciences | 14 |
| Ecology | 1 |
| Economics | 4 |
| Electricity | 1 |
| Electronics | 131 |
| Environment | 3 |
| General | 17 |
| Geophysics | 4 |
| Hydroelectric power stations | 1 |
| Information technology | 3 |
| International trade | 1 |
| Life sciences | 2 |
| Logistics | 1 |
| Mechanics | 1 |
| Military | 6 |
| Missiles | 1 |
| Name of organization | 1 |
| Nautical | 1 |
| Navigation | 7 |
| Oil / petroleum | 4 |
| Oil processing plants | 1 |
| Project management | 1 |
| Rail transport | 3 |
| Refrigeration | 1 |
| Road construction | 2 |
| Scientific | 1 |
| Securities | 1 |
| Shipbuilding | 3 |
| Space | 118 |
| Steel production | 2 |
| Technology | 54 |
| Telecommunications | 3 |
| United Kingdom | 1 |
| United Nations | 1 |
| United States | 29 |