An aluminum processing plant belches smoke into the sky

Technology, Work, Ecology, Plant, Oil, Industry, Industrial, Engineering, American, Company, Energy, Steel, Metal, Metallic, Smoke, Equipment, Production, Factory, Over, Iron, Heavy, Technical, Manufacturing, Automation, Aluminium, Manufacture, Machinery, Steam, Refinery, Chimney, Smelting, Aluminum, Factories, Stack, Harmful, Metalindustry, Metalprocessing, Ironworks, Metallurgic