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