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| монитор каналов (oleg.vigodsky) | |||
| circuit monitor: 8 phrases in 7 subjects |
| Astronautics | 1 |
| Energy industry | 2 |
| Information security and data protection | 1 |
| Medical | 1 |
| Military | 1 |
| Security systems | 1 |
| Technology | 1 |
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