Heap of coal isolated on white. Mineral deposits
Schlüsselwörter
carbon,
isolated,
white,
mineral,
mining,
deposit,
background,
texture,
nature,
black,
work,
energy,
industry,
environment,
stone,
natural,
rock,
ecology,
geology,
heat,
fuel,
charcoal,
industrial,
power,
fossil,
coal,
mine,
material,
resource,
production,
extraction,
resource,
sedimentary,
pile,
anthracite,
combustible,
dark,
heap,
many,
nobody,
object,
piece,
piece,
simple
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