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| OU | |||
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Operations Unit : 15 phrases in 10 subjects |
| Criminal law | 2 |
| Electric traction | 1 |
| Finances | 1 |
| Immigration and citizenship | 1 |
| Information technology | 2 |
| Meteorology | 1 |
| Military | 1 |
| Politics | 1 |
| Taxes | 1 |
| United Nations | 4 |