environmental
and
atmosphere
black and white
carbon
change
chemical
chimney
climate change
electricity
emission
energy
exhaust
factory
fuel
gas
in
industrial
industry
maintenance
manufactory
manufacture
manufacturing
night
oil
petrochemical
pipe
pipeline
planting
poison
poisonous
pollute
pollution
power
production
repair
smog
smoke
smokestack
stack
steam
structure
technology
toxic
twilight
unhygienic
vintage
wind