英文關鍵字
air
atmosphere
building
chimney
cloud
critical
damage
danger
dangerous
dirty
ecology
emission
emit
energy
environment
environmental
exhaust
factory
fossil
fumes
generate
global
heavy
industrial
industry
infrastructure
man
manufacturing
ozone
person
pipe
plant
poison
pollute
polluting
pollution
power
powerplant
problem
produce
production
smog
smoke
smokestack
station
steam
structure
technology
toxic
urban