Suggested tags
pollution
smokestack
pollute
co2
global warming
environment
polluting
industry
steam
industrial
refinery
manufacturing
fumes
furnace
factory
smoke
smelting
warming
manufacture
heating
generator
metallurgy
generating
gas
molten
fuel
steel
foundry
belching
iron
power
production
energy
melting
mill
hot
metal
equipment
urban
sun
burner
plant
technology
fire
fossil
sunlight
business
heat
heavy
process
dirty