英文關鍵字
architecture
buildings
business
chemical
damage
distillation
energy
environmental
equipment
exterior
factory
fossil
fuel
gas
gasoline
generation
global
gray
heavy
industrial
industry
liquid
manufacturing
metal
metallic
natural
nobody
oil
pipe
pipeline
plant
pollution
power
reactor
refinery
shiny
silver
sky
station
steel
storage
structure
tank
technology
tower
toxic
tube
waste
water