Heavy industry air pollution image
Palabras clave
metallurgical,
factory,
plant,
industrial,
steel,
iron,
smokestack,
industry,
smoke,
smog,
pollution,
chimney,
heavy,
production,
building,
environment,
power,
energy,
steam,
ecology,
air,
technology,
metal,
equipment,
construction,
pipe,
manufacture
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