detendeur : 50 phrases in 13 subjects |
Agriculture | 1 |
Automated equipment | 1 |
Chemistry | 6 |
Communications | 1 |
Construction | 2 |
Earth sciences | 6 |
Energy industry | 4 |
General | 1 |
Mechanic engineering | 9 |
Medical | 1 |
Metallurgy | 10 |
Scuba diving | 1 |
Transport | 7 |