Pieces of Coal PNG
Palabras clave
piece,
coal,
black,
fossil,
fuel,
mineral,
natural,
energy,
resource,
combustible,
heat,
heating,
industrial,
power,
carbon,
dense,
solid,
sedimentary,
rock,
dark,
extraction,
mining,
raw material,
combustion,
fireplace,
stove,
furnace,
blacksmithing,
fueling,
steam engine,
locomotive,
pollution,
environment,
environmental impact,
non-renewable,
production,
carbon dioxide,
global warming,
ash,
residue,
cinder,
set,
collection