Luminous black coal piece showing raw fossil fuel for energy, heat, and electricity on a transparent background
Schlüsselwörter
coal,
fuel,
energy,
fossil,
carbon,
resource,
material,
industrial,
mineral,
rock,
black,
rough,
texture,
lump,
dark,
natural,
isolated,
power,
mining,
industry,
heat,
extraction,
pollution,
environment,
global,
economy,
supply,
deposit,
geology,
raw,
unrefined,
earth,
solid,
object,
detailed,
close,
up,
studio,
cut-out,
transparent,
background,
cut,
out,
square,
format,
copy,
space,
no,
people
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