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| начальное разделение | |||
| начальная сепарация | |||
| initial separation: 9 phrases in 7 subjects |
| Aviation | 1 |
| General | 1 |
| Mathematics | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 3 |
| Oilfields | 1 |
| Technology | 1 |
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