 |
| depuración: 116 phrases in 21 subjects |
| Agriculture | 6 |
| Chemistry | 16 |
| Coal | 2 |
| Communications | 1 |
| Earth sciences | 2 |
| Ecology | 2 |
| Economy | 1 |
| Environment | 44 |
| Fish farming pisciculture | 1 |
| General | 4 |
| Human rights activism | 1 |
| Industry | 7 |
| Information technology | 14 |
| Law | 1 |
| Medical | 1 |
| Metallurgy | 1 |
| Microsoft | 3 |
| Natural sciences | 1 |
| Pharmacy and pharmacology | 2 |
| Technology | 4 |
| Transport | 2 |