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| сыпучий уголь; битуминозный уголь; мягкий уголь; рядовой уголь | |||
| мягкий битуминозный уголь; мягкий или сыпучий уголь; мягкий сыпучий уголь | |||
| run coal: 20 phrases in 8 subjects |
| Coal | 4 |
| Energy industry | 4 |
| Geology | 5 |
| Makarov | 2 |
| Metallurgy | 1 |
| Mining | 2 |
| Technology | 1 |
| Thermal engineering | 1 |
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