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operations security : 38 phrases in 16 subjects |
| Aviation | 5 |
| Communications | 1 |
| Economics | 1 |
| Finances | 4 |
| Food industry | 1 |
| General | 11 |
| Human resources | 3 |
| Human rights activism | 2 |
| Information technology | 1 |
| International law | 1 |
| International Monetary Fund | 1 |
| Law | 1 |
| Military | 2 |
| Name of organization | 1 |
| Transport | 2 |
| United Nations | 1 |