trappen : 75 phrases in 15 subjects |
Astronautics | 1 |
Chemistry | 3 |
Coal | 1 |
Communications | 8 |
Construction | 6 |
Electronics | 36 |
Environment | 2 |
Finances | 1 |
General | 1 |
Industry | 1 |
Mechanic engineering | 4 |
Municipal planning | 1 |
Natural resourses and wildlife conservation | 4 |
Statistics | 3 |
Transport | 3 |