aluminum
architecture
background
blue
building
business
ceiling
civil
construction
design
drainage
duct
electrical
engineering
equipment
factory
fire
foil
gas
hvac
image
industrial
industry
installation
interior
isolated
line
modern
office
pattern
pipe
pipeline
pipes
piping
plumbing
protection
pvc
red
safety
sprinkler
steel
system
systems
technology
tube
ventilation
wall
warehouse
water
white
定額
Water pipe system. Pumping systems for industrial plants. Construction work.Installation of water pipes in the building.Water pipe system within the building.Maintenance of drainage pipes.の素材 [FY310113698027]
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