 |
| |||
| hard coal; pit coal | |||
| coal | |||
| carboniferous formation; coal-bearing formation; coal-formation; fossil charcoal; mineral coal | |||
|
carbone fossile : 17 phrases, 8 sujets |
| Bioénergie | 1 |
| Charbon | 3 |
| Chimie | 2 |
| Industrie | 2 |
| Industrie de l'énergie | 1 |
| Métallurgie | 5 |
| Restauration et traiteur | 1 |
| Sciences de la vie | 2 |