英文關鍵字
architecture
atmosphere
building
business
camera
chemical
chimney
coal
color
colorful
construction
dirty
ecology
electric
electricity
emissions
energy
environment
factory
fuel
high
horizontal
industrial
industry
ironworks
located
manufacturing
metallurgical
movement
outdoors
panorama
pipe
plant
pollution
power
sinter
smog
smoke
smokestack
station
steam
steel
structure
substation
technology
tower
toxic
train
transportation
travel
view
works