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sfery : 68 phrases in 11 subjects |
| Acoustics | 1 |
| Agriculture | 2 |
| Chemistry | 9 |
| Construction | 4 |
| Economy | 24 |
| Electrical engineering | 1 |
| General | 4 |
| Mathematics | 15 |
| Mining | 3 |
| Technology | 4 |
| Textile industry | 1 |
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