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| security features (Alexander Demidov) | |||
| средства контроля безопасности: 16 phrases in 10 subjects |
| Astronautics | 1 |
| Energy industry | 2 |
| General | 3 |
| Health care | 1 |
| Information security and data protection | 2 |
| Medical | 1 |
| Military | 1 |
| Pharmacology | 3 |
| Security systems | 1 |
| Transport | 1 |