 |
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| insular nature (bookworm) | |||
| opaqueness | |||
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| confidential (Irina Verbitskaya) | |||
| sensitive (материалы закрытого характера – sensitive information Alex_Odeychuk) | |||
| закрытый характер: 8 phrases in 5 subjects |
| Chess | 1 |
| General | 2 |
| Intelligence and security services | 2 |
| Religion | 1 |
| Security systems | 2 |