Coal
Coal
Broader Terms
- BT↑ Fossil fuels
- BT↑ Sedimentary rocks
More specific terms
- NT4 ↓ Bituminous coal
- NT4 ↓ Coal gas
- NT4 ↓ Lignite
- NT4 ↓ Peat
Related terms
- RT⇆ Coal gasification
- RT⇆ Coal liquefaction
- RT⇆ Coal mining
- RT⇆ Coal refineries
- RT⇆ Solid fuels
