機器
asian
background
building
business
businessman
chemical
chemistry
chimney
color
concept
construction
economy
energy
engineer
engineering
engineers
environment
equipment
factory
gas
helmet
industrial
industry
inspection
maintenance
male
man
metal
occupation
oil
people
person
petrochemical
petroleum
pipeline
plant
power
production
refinery
safety
site
sunset
supply
technology
tower
white
work
worker
writing
定額
The abstract image of the engineer writing in the power plant during sunrise. the concept of clean energy, futuristic, industrial4.0 and internet of things.の素材 [FY310103068125]
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