英文關鍵字
waste
air
blue
breakwater
business
chemical
chimney
co2
construction
container
contamination
cooling
day
destruction
earth
ecology
economy
emit
energy
exterior
factory
furnace
gas
generate
global
industrial
industry
manufacture
metal
nobody
oil
petroleum
pipe
pipeline
plant
pollution
power
processing
product
products
refinery
sky
smog
smoke
smokestack
steam
steel
storage
structure
tank
tower
warming