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speed down : 34 phrases in 16 subjects |
| Aerohydrodynamics | 1 |
| Armored vehicles | 2 |
| Automobiles | 2 |
| Aviation | 5 |
| Chess | 2 |
| Economics | 1 |
| Electrical engineering | 1 |
| Energy industry | 1 |
| General | 2 |
| Internet | 1 |
| Makarov | 6 |
| Mechanic engineering | 3 |
| Physics | 1 |
| Programming | 1 |
| Road traffic | 1 |
| Technology | 4 |