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libre parcours : 58 phrases in 17 subjects |
| Astronautics | 1 |
| Astronomy | 3 |
| Aviation | 1 |
| Chemistry | 1 |
| Construction | 1 |
| Forestry | 1 |
| Geophysics | 1 |
| Hydraulic engineering | 1 |
| Metallurgy | 4 |
| Meteorology | 2 |
| Nuclear physics | 24 |
| Physics | 1 |
| Radiation | 8 |
| Radio | 3 |
| Shipbuilding | 1 |
| Technology | 3 |
| Trucks/Lorries | 2 |