adult
architect
blueprint
builder
building
business
caucasian
construction
constructor
contractor
diesel
ecology
economy
energy
engineer
engineering
equipment
gas
hardware
helmet
industrial
industry
job
looking
male
manufacture
occupation
person
petrol
petroleum
pipeline
plan
plans
pollution
portrait
power
production
professional
refinery
site
technology
tower
tube
work
worker
workers
young
定額
Portrait of Asian engineers looking at the blueprint on Oil and gas refinery or Petrochemical factory at twilight time, industrial conceptの素材 [FY31051949700]
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