 |
| |||
| steam coal; low volatile dry coal | |||
| low-volatile coking steam coal | |||
| low-volatile bituminous coal (US) | |||
| |||
| free coal; lean coal; Pennsylvanian anthracite; smokeless coal; steam coal | |||
| |||
| bituminous coal trois quarts gras | |||
|
Esskohle : 1 do fraz, 1 tematyki |
| Pospolicie | 1 |