| |||
carbon | |||
pit coal | |||
black coal | |||
hard coal | |||
low-grade anthracite | |||
| |||
coal |
houille: 206 phrases in 20 subjects |
Bioenergy | 1 |
British usage, not spelling | 1 |
Chemistry | 41 |
Coal | 22 |
Construction | 9 |
Energy industry | 19 |
Environment | 4 |
Finances | 2 |
General | 18 |
Health care | 3 |
Industry | 11 |
Life sciences | 4 |
Metallurgy | 53 |
Mining | 5 |
Natural resourses and wildlife conservation | 3 |
Oil / petroleum | 1 |
Politics | 2 |
Statistics | 2 |
Technology | 3 |
Wood processing | 2 |