blue
bright
business
chemical
chiller
construction
cooling
cover
design
detail
energy
engineer
engineering
equipment
factory
flow
fuel
gas
industrial
industry
insulation
line
manufacturing
metal
oil
overhead
perspective
petroleum
pipe
pipeline
pipelines
piping
plant
power
pressure
production
pump
refinery
round
sky
stainless
steam
steel
structure
supply
support
technology
tube
valve
white
定額
Cooling Chiller or Steam Pipeline and Insulation of Manufacturing in Oil and Gas Industrial, Petrochemical Distribution Pipe at Refinery Plant. Overhead Steel Piping Isolated Blue Sky Background.の素材 [FY310120480137]
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