air
atmosphere
blue
bricks
chimney
cloud
condensation
construction
contamination
danger
dangerous
ecology
electric
electrical
electricity
emissions
energy
environment
equipment
exhaust
factory
fog
fume
fuming
fumy
generation
high
industrial
industry
pipe
plant
pole
pollute
pollution
power
red
reeky
sky
smog
smoke
smoking
station
steam
tall
technology
thermal
tower
toxic
vapor
white