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выдержка по времени : 16 phrases in 9 subjects |
| Communications | 2 |
| Electrical engineering | 3 |
| Electronics | 1 |
| Energy system | 2 |
| Mass media | 4 |
| Metallurgy | 1 |
| Oil and gas | 1 |
| Rail transport | 1 |
| Transport | 1 |
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