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Contaminacion : 804 phrases in 43 subjects |
| Agriculture | 8 |
| Antennas and waveguides | 3 |
| Automated equipment | 1 |
| Chemistry | 4 |
| Earth sciences | 18 |
| Ecology | 1 |
| Economics | 30 |
| Electronics | 3 |
| Energy industry | 1 |
| Environment | 380 |
| Finances | 2 |
| Fish farming pisciculture | 2 |
| Fishery fishing industry | 2 |
| Food industry | 10 |
| Food service and catering | 2 |
| Forestry | 2 |
| General | 44 |
| Geology | 20 |
| Health care | 17 |
| Industry | 2 |
| Information technology | 2 |
| Insurance | 1 |
| International Monetary Fund | 1 |
| Law | 25 |
| Life sciences | 3 |
| Materials science | 1 |
| Measuring instruments | 10 |
| Medical | 12 |
| Metallurgy | 1 |
| Mineral products | 1 |
| Municipal planning | 1 |
| Name of organization | 37 |
| Natural sciences | 7 |
| Nuclear physics | 7 |
| Pharmacy and pharmacology | 1 |
| Politics | 10 |
| Sound recording | 1 |
| Statistics | 1 |
| Technology | 1 |
| Textile industry | 1 |
| Transport | 51 |
| United Nations | 73 |
| Water resources | 4 |