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органические вещества : 51 phrases in 15 subjects |
| Chemistry | 1 |
| Ecology | 2 |
| Education | 1 |
| Electronics | 5 |
| Environment | 3 |
| Food service and catering | 1 |
| General | 19 |
| Geochemistry | 1 |
| Geology | 8 |
| Medical | 2 |
| Oil / petroleum | 2 |
| Oil and gas | 2 |
| Oil processing plants | 2 |
| Soil science | 1 |
| United Nations | 1 |
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