building
business
chemical
chemistry
construction
control
development
energy
engineer
engineering
environment
factory
fuel
gas
gasoline
hardhat
heavy
helmet
industrial
industry
inspector
job
maintenance
man
manufacture
occupation
oil
person
petrochemical
petrol
petroleum
pipe
pipeline
plan
plant
power
production
protective
refinery
safety
service
tank
team
technician
technology
tube
work
worker
working
定額
Refinery industry, engineer working in industrial production, oil and gas refinery plant industry factory, Petrochemical plantの素材 [FY310234570728]
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