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| невосстановимое: 17 phrases in 14 subjects |
| Computer networks | 1 |
| Construction | 1 |
| Ecology | 1 |
| General | 1 |
| Information technology | 2 |
| Linguistics | 1 |
| Makarov | 1 |
| Mass media | 2 |
| Microelectronics | 1 |
| Oil and gas | 1 |
| Programming | 2 |
| Technology | 1 |
| Telecommunications | 1 |
| Transport | 1 |