action directe : 33 phrases in 12 subjects |
Communications | 1 |
Computer numerical control | 10 |
Construction | 1 |
Earth sciences | 2 |
Electronics | 3 |
General | 1 |
High energy physics | 1 |
Industry | 1 |
Law | 4 |
Mechanic engineering | 6 |
Natural sciences | 2 |
Telegraphy | 1 |