英文關鍵字
aerial
air
atmosphere
blue
building
business
chemical
chimney
climate
construction
danger
dirty
ecology
electric
electricity
emission
energy
environment
environmental
factory
fossil
fuel
fumes
gas
global
heat
industrial
industry
light
pipe
pipes
plant
pollute
pollution
power
production
reactor
smog
smoke
station
steam
technology
thermal
tower
toxic
vapor
warming
waste