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control group : 104 phrases in 24 subjects |
| Air defense | 2 |
| Automatic control | 1 |
| Automobiles | 2 |
| Aviation | 19 |
| Business | 5 |
| Computer networks | 2 |
| Desert science | 1 |
| Economy | 3 |
| Electronics | 26 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 6 |
| Geophysics | 1 |
| Information technology | 2 |
| Management | 3 |
| Metallurgy | 1 |
| Name of organization | 3 |
| Nuclear and fusion power | 1 |
| Rail transport | 2 |
| Securities | 1 |
| Space | 4 |
| Technology | 14 |
| Telecommunications | 1 |
| Textile industry | 1 |
| United Nations | 2 |
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