débris: 38 phrases in 15 subjects |
Agriculture | 1 |
Astronautics | 1 |
Chemistry | 1 |
Earth sciences | 1 |
Electronics | 2 |
Environment | 7 |
Finances | 2 |
General | 4 |
Industry | 6 |
Life sciences | 1 |
Materials science | 1 |
Medical | 2 |
Metallurgy | 4 |
Natural sciences | 1 |
Transport | 4 |