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| houilles,cokes et briquettes | |||
| carbone | |||
| charbon | |||
| houille | |||
| hiili: 53 phrases in 16 subjects |
| Accounting | 1 |
| Agriculture | 3 |
| Chemistry | 4 |
| Coal | 6 |
| Ecology | 2 |
| Electronics | 2 |
| Energy industry | 2 |
| Environment | 10 |
| General | 6 |
| Industry | 1 |
| Law | 4 |
| Metallurgy | 6 |
| Patents | 1 |
| Politics | 3 |
| Statistics | 1 |
| Transport | 1 |