İngilizce | İspanyolca | |
---|---|---|
Geology | ||
Geology | sub-bituminous coal | carbón subbitminoso [m] |
Geology | black bituminous coal | hulla [f] |
Geology | sub-bituminous coal | lignito negro |
Mining | ||
Mining | non-bituminous coal | hulla seca |
Energy | ||
Energy | high-volatile bituminous coal | hulla seca de llama larga |