sludge: 332 phrases in 21 subjects |
Agriculture | 14 |
Chemistry | 9 |
Construction | 1 |
Earth sciences | 9 |
Economy | 1 |
Electronics | 1 |
Energy industry | 16 |
Environment | 235 |
Forestry | 1 |
General | 1 |
Industry | 8 |
Life sciences | 8 |
Mechanic engineering | 1 |
Medical | 3 |
Metallurgy | 8 |
Oil / petroleum | 3 |
Pulp and paper industry | 2 |
Sugar production | 1 |
Transport | 4 |
Waste management | 3 |
Water supply | 3 |