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ponowny : 31 phrases in 10 subjects |
| Ecology | 1 |
| Electrical engineering | 1 |
| Electronics | 1 |
| Environment | 6 |
| Mathematics | 2 |
| Microsoft | 11 |
| Power system protection | 6 |
| Rail transport | 1 |
| Telecommunications | 1 |
| Telegraphy | 1 |
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