boue : 167 phrases in 15 subjects |
Agriculture | 3 |
Chemistry | 2 |
Coal | 1 |
Construction | 1 |
Earth sciences | 8 |
Economy | 1 |
Energy industry | 2 |
Environment | 124 |
General | 9 |
Industry | 2 |
Life sciences | 7 |
Mechanic engineering | 1 |
Medical | 1 |
Oil / petroleum | 2 |
Transport | 3 |