Kohle, Kohlestucke, schwarz, schmutzig, Brennstoff, Braunkohle, Holzkohle, Steinkohle, Kohlehaufen, Lager, Kohlelager, Oberkarbon, Jura, Kreide, Vergangenheit, brennbar, Heizwert, verbrennen, Vorrat,
Palabras clave
coal,
black,
dirty,
combustible,
lignite,
charcoal,
stock,
law,
chalk,
past,
flammable,
burn,
supply,
fossil,
harmful,
exhaust,
climate change,
environmental issue,
steam locomotive,
steam locomotive,
fire,
heat,
heat,
concrete,
ground,
wall,
piter