 |
| décrochage: 90 phrases in 16 subjects |
| Agriculture | 4 |
| Antennas and waveguides | 1 |
| Astronautics | 1 |
| Aviation | 1 |
| Communications | 3 |
| Earth sciences | 5 |
| Education | 10 |
| Electric motors | 1 |
| General | 2 |
| Industry | 1 |
| Information technology | 9 |
| Mechanic engineering | 7 |
| Metallurgy | 3 |
| Technology | 1 |
| Telephony | 2 |
| Transport | 39 |