air
blue
building
business
canada
chemical
chimney
cloud
construction
ecology
electric poles
energy
engineering
environment
factory
fuel
gas
global warming
green
heat
industrial
industry
light
manufacturing
metal
nature
night
oil
petrochemical
petroleum
pipe
pipeline
plant
pollution
power
production
refinery
russia
sky
smog
smoke
station
steam
steel
technology
tower
tree
united arab emirates
valves
white
定額
Large tall chimneys for smoke and gas emissions from an oil refinery industrial chemical plant against a background of nature with a green birch tree.の素材 [FY310131378822]
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