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| активизация по времени (oleg.vigodsky) | |||
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time activation : 15 phrases in 7 subjects |
| Automated equipment | 2 |
| Firefighting and fire-control systems | 1 |
| Geophysics | 1 |
| Metallurgy | 1 |
| Power system protection | 1 |
| Programming | 7 |
| Telecommunications | 2 |
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