civil
communication
conduit
connection
construction
construction site
crane
dig
ditch
drainage
drainage pipe
drainage system
earth
engineering
excavation
excavator
ground works
groundworks
heat
heating system
heating systems
industrial
industry
installation
laying
network
pipe
pipeline
pipes
piping
pit
plastic
plumbing
pumping
sanitary sewer
sewage
sewer pipes
sewer well
sewer wells
sewerage
site
storm
system
system pipeline
tower crane
trench
underground
water
water main
wells
定額
Laying heating pipes in trench at construction site. Installing concrete sewer wells and underground storm systems of sanitary water main. Cold and hot water heating system of the apartments in houseの素材 [FY310150324450]
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