A team of geologists examining the quality of lignite as trucks full of the mineral rumble by in the background.. Vector illustration
Schlüsselwörter
team,
examining,
quality,
lignite,
full,
mineral,
rumble,
background,
environmental,
pollution,
industrial,
factory,
consumption,
energy,
environment,
industry,
technology,
electric,
plant,
electricity,
ecology,
gasoline,
fossil
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