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l'extraction du charbon | |||
charbonnage m | |||
extraction de charbon | |||
houillère f | |||
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extraction de charbon |
coal mining : 20 phrases in 9 subjects |
Coal | 7 |
Economy | 3 |
Energy industry | 1 |
General | 4 |
Industry | 1 |
Labor law | 1 |
Law | 1 |
Mining | 1 |
Name of organization | 1 |