trough : 107 phrases in 19 subjects |
Agriculture | 32 |
Chemistry | 2 |
Coal | 2 |
Construction | 5 |
Earth sciences | 6 |
Economy | 2 |
Electricity generation | 1 |
Electronics | 3 |
Energy industry | 6 |
Environment | 2 |
General | 5 |
Industry | 14 |
Life sciences | 10 |
Materials science | 3 |
Mechanic engineering | 7 |
Medical | 1 |
Metallurgy | 1 |
Technology | 1 |
Transport | 4 |