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magre kul, antracitkul | |||
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kul | |||
stenkul |
houille: 73 phrases in 15 subjects |
Chemistry | 18 |
Coal | 11 |
Construction | 2 |
Energy industry | 15 |
Environment | 3 |
Finances | 1 |
General | 7 |
Health care | 2 |
Industry | 6 |
Life sciences | 2 |
Metallurgy | 1 |
Mining | 2 |
Politics | 1 |
Statistics | 1 |
Technology | 1 |