air
airseparating
architecture
argon
blue
building
business
chemical
chemistry
column
construction
copy
cryogenic
ecology
engineering
equipment
factory
gas
gasrefinery
heavy
industrial
industry
liquefaction
liquid
metal
metallic
nitrogen
oxygen
pipe
pipeline
plant
plug
pollutant
processing
producing
production
refinery
separating
separation
shiny
sky
space
steel
storage
tank
technical
technology
tube
unit
warehouse
定額
Petrochemical industrial air separation plant. Liquid oxygen nitrogen and air cryogenic industrial production building and equipment over clear deep blue sky and clouds background with copyspace.の素材 [FY310174045818]
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