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уровень контроля : 49 phrases in 11 subjects |
| Aviation | 1 |
| Economy | 1 |
| Electronics | 9 |
| Environment | 5 |
| Finances | 1 |
| General | 18 |
| International Monetary Fund | 1 |
| Medical | 1 |
| Oil / petroleum | 1 |
| Oilfields | 1 |
| Technology | 10 |
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