燃やす
environmental
black and white
building
chemical
chemical plant
chimney
coal
dusk
ecology
electric
electric pylon
electrical
electricity
emission
energy
environment
exhaust
factory
fossil
fuel
fume
gas
generate
generator
industrial
industry
infrastructure
manufacturing
oil
oil tank
petrochemical
pollute
polluting
pollution
power
power plant
power station
powerplant
production
pylon
smoke
smokestack
stack
steam
structure
sunset
technology
tower