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flow structure : 40 phrases in 14 subjects |
| Aluminium industry | 1 |
| Astronautics | 1 |
| Aviation | 2 |
| Electronics | 1 |
| Energy industry | 2 |
| Geology | 8 |
| Hydraulic engineering | 3 |
| Hydrology | 1 |
| Makarov | 11 |
| Mining | 1 |
| Nanotechnology | 1 |
| Programming | 1 |
| Technology | 6 |
| Yachting | 1 |
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