 |
| |||
| ore A mineral or mineral aggregate, more or less mixed with gangue, that can be worked and treated at a profit | |||
| |||
| ores | |||
| |||
| brown | |||
|
ruda : 32 phrases, 10 sujets |
| Agriculture | 2 |
| Droit du travail | 2 |
| Économie | 6 |
| Environnement | 1 |
| Industrie alimentaire | 11 |
| Médical | 2 |
| Obsolète / daté | 2 |
| Sciences de la vie | 4 |
| Sciences naturelles | 1 |
| Sylviculture | 1 |