Coal
Coal
5.3 - BT Hydrocarbons removed.
Broader Terms
- BT↑ Fossil fuels
More specific terms
- NT7 ↓ Anthracite
- NT7 ↓ Bituminous coal
- NT7 ↓ Coal gas
- NT7 ↓ Lignite
Related terms
- RT⇆ Diamonds (Gemstones)
- RT⇆ Peat
