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| substance group | |||
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groupe de substances : 15 phrases in 9 subjects |
| Chemistry | 2 |
| Ecology | 2 |
| Environment | 1 |
| General | 3 |
| International trade | 1 |
| Medical | 2 |
| Name of organization | 2 |
| Social science | 1 |
| United Nations | 1 |
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