depurazione : 201 phrase in 21 subjects |
Agriculture | 7 |
Chemistry | 23 |
Coal | 2 |
Construction | 3 |
Earth sciences | 2 |
Ecology | 4 |
Economy | 1 |
Environment | 63 |
Fish farming pisciculture | 1 |
General | 24 |
Industry | 4 |
Labor law | 22 |
Law | 6 |
Mechanic engineering | 8 |
Medical | 3 |
Metallurgy | 9 |
Natural sciences | 2 |
Patents | 5 |
Research and development | 1 |
Social science | 2 |
Transport | 9 |