英文關鍵字
air
atmosphere
blue
building
carbon
change
chemical
chimney
climate
coal
construction
container
contemporary
cooling
crude
damage
danger
day
diesel
dioxide
dirty
distiller
dolly
dust
ecology
emissions
energy
engineering
environment
environmental
equipment
exhaust
facility
factory
fossil
fuel
fumes
gas
gasoline
global
heaven
imposing
industrial
industry
manufacturing
oilfields
petrol
petroleum
pipe
pipeline
piping
plant
pollution
power
powerful
proceedings
process
production
refinery
resources
sky
smog
smoke
stack
stage
station
steam
summer
tank
technology
tower
toxic
valve
warming
white