civil
communication
conduit
connection
construction
construction site
dig
ditch
drainage
drainage pipe
drainage system
earth
engineering
excavation
fitting
ground
ground works
groundworks
heat
heating system
heating systems
industrial
industry
installation
laying
network
pipe
pipeline
pipes
piping
pit
plastic
plumbing
pumping
replacement
sanitary sewer
sewage
sewer
sewer pipes
sewer wells
sewerage
site
storm
system
system pipeline
trench
underground
warming
water
water main
定額
Laying heating pipes in a trench at construction site. Install underground storm systems of water main and sanitary sewer. Cold and hot water, heating and heating system of apartments in the houseの素材 [FY310147410320]
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