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information sources : 135 phrases in 35 subjects |
| Advertising | 6 |
| Air defense | 1 |
| Archaeology | 1 |
| Architecture | 1 |
| Astronautics | 2 |
| Automated equipment | 1 |
| Aviation | 1 |
| Business | 4 |
| Construction | 2 |
| Diplomacy | 1 |
| Ecology | 4 |
| Economics | 3 |
| Education | 2 |
| Elections | 1 |
| Energy industry | 4 |
| General | 21 |
| Gyroscopes | 1 |
| Information technology | 1 |
| Intelligence and security services | 11 |
| Librarianship | 7 |
| Makarov | 7 |
| Management | 1 |
| Mass media | 6 |
| Military | 15 |
| Musical instruments | 1 |
| Patents | 1 |
| Power system protection | 1 |
| Programming | 9 |
| Security systems | 4 |
| Slang | 1 |
| Statistics | 1 |
| Technology | 5 |
| Telecommunications | 5 |
| United Nations | 1 |
| Water supply | 2 |