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Verunreinigung : 172 phrases in 27 subjects |
| Agriculture | 2 |
| Analytical chemistry | 2 |
| Antennas and waveguides | 2 |
| Automated equipment | 1 |
| Chemistry | 5 |
| Coal | 1 |
| Computers | 1 |
| Construction | 2 |
| Earth sciences | 6 |
| Economics | 6 |
| Environment | 58 |
| Forestry | 1 |
| General | 13 |
| Health care | 5 |
| Industry | 5 |
| Information technology | 3 |
| Law | 26 |
| Medical appliances | 1 |
| Metallurgy | 8 |
| Natural resourses and wildlife conservation | 8 |
| Natural sciences | 1 |
| Nuclear physics | 4 |
| Piezoelectric crystals | 1 |
| Politics | 1 |
| Radiation | 5 |
| Textile industry | 3 |
| Transport | 1 |