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| ore A mineral or mineral aggregate, more or less mixed with gangue, that can be worked and treated at a profit | |||
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ruda : 17 phrases, 5 sujets |
| Astronomie | 3 |
| Construction | 5 |
| Économie | 6 |
| Entomologie | 2 |
| Ressources naturelles et conservation de la faune | 1 |