architecture
atmosphere
blue
chimney
construction
contamination
danger
dangerous
ecology
electric
electrical
electricity
emissions
energy
environment
equipment
exhaust
factory
fuel
fume
fumy
generation
high
industrial
industry
infrastructure
line
manufacturing
pipe
plant
pole
pollution
power
red
reeky
season
sky
smog
smoke
stack
station
steam
steel
tall
technology
thermal
tower
toxic
vapor
white