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|
hélice : 280 phrases in 20 subjects |
| Agriculture | 27 |
| Astronautics | 13 |
| Chemistry | 2 |
| Communications | 3 |
| Earth sciences | 9 |
| Electric traction | 2 |
| Electricity generation | 1 |
| Electronics | 3 |
| Energy industry | 3 |
| General | 4 |
| Health care | 1 |
| Industry | 13 |
| Information technology | 1 |
| Mechanic engineering | 63 |
| Medical | 8 |
| Metallurgy | 2 |
| Natural sciences | 4 |
| Technology | 1 |
| Telegraphy | 1 |
| Transport | 119 |
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