| Anthracite (3) |  |
| Bituminous coal (6) | |
| Burning coal (3) | |
| Coal (13) | |
| Coal fired (18) | |
| Coal industry (4) | |
| Coal plant (3) | |
| Lignite (5) | |
| Subbituminous coal (3) | |
| Wood coal (3) | |
| Anthracite (3) | |
| Bituminous coal (6) | |
| Burning coal (3) | |
| Coal (13) | |
| Coal fired (18) | |
| Coal industry (4) | |
| Coal plant (3) | |
| Lignite (5) | |
| Subbituminous coal (3) | |
| Wood coal (3) | |
G#2v 8483 Wood coal 0#3#wood coal Wood coal G#1v 9717 Deep sea mining 0#2#deep sea mining Deep sea mining
G#1v 8484 Extractive metallurgy G#2v 8485 Extractive metallurgy 0#3#extractive metallurgy Extractive metallurgy G#2v 8486 Mineral dressing
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