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undirected : 39 phrases in 14 subjects |
| Air defense | 4 |
| Education | 1 |
| Electronics | 3 |
| General | 4 |
| Geology | 1 |
| Information security and data protection | 2 |
| Information technology | 4 |
| Makarov | 2 |
| Mass media | 4 |
| Mathematics | 9 |
| Programming | 1 |
| Security systems | 2 |
| Social media | 1 |
| Technology | 1 |