英文關鍵字
aerial
business
chemical
city
construction
dark
distillery
dusk
energy
facility
factory
fertilizers
flight
fotage
fuel
gas
gasoline
heavy
illuminated
industry
installations
light
lit
melamine
modern
night
oil
over
petrochemical
pipe
pipeline
plant
pollution
power
production
refinery
reflection
saltpeter
sky
smoke
steam
steel
stock
technology
transportation
tube
urban
urea
view