Coal rocks stacking vertically, symbolizing mining industry resources against clean backdrop
Schlüsselwörter
coal,
rock,
pile,
transparent,
background,
energy,
fuel,
mining,
industry,
fossil,
power,
black,
mineral,
resource,
geology,
environment,
carbon,
pollution,
combustion,
electricity,
heat,
dark,
stone,
natural,
solid,
combustible,
extraction,
power plant,
raw material,
environmental impact,
climate change,
global warming,
power generation,
fossil fuel,
natural resource,
isolated,
cut-out
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