décrochage: 158 phrases in 18 subjects |
Agriculture | 8 |
Antennas and waveguides | 1 |
Astronautics | 1 |
Aviation | 7 |
Coal | 1 |
Communications | 8 |
Earth sciences | 4 |
Education | 15 |
General | 4 |
Industry | 1 |
Information technology | 11 |
Mechanic engineering | 11 |
Metallurgy | 3 |
Social science | 2 |
Technology | 1 |
Telephony | 2 |
Transport | 76 |
Ventilation | 2 |