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substance chimique : 51 phrases in 10 subjects |
| Agriculture | 1 |
| Chemistry | 21 |
| Commerce | 2 |
| Environment | 10 |
| Finances | 1 |
| General | 9 |
| Health care | 4 |
| Information technology | 1 |
| Research and development | 1 |
| Social science | 1 |
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