英文關鍵字
architecture
background
bad
blur
blurred
building
chemical
chemistry
chimney
construction
drop
ecology
energy
engineering
environment
equipment
factory
fuel
gas
gasoline
heavy
industrial
industry
light
lights
looking
manufacturing
metal
multicolor
night
oil
petrochemical
petrol
petroleum
pipe
pipeline
plant
pollute
pollution
power
process
production
rain
rainbow
refinery
sky
smoke
spot
station
storage
structure
sunset
supply
tank
technology
tower
toxic
tube
visibility
wind
window
work