city
city infrastructure
communal
construct
construction
culverts
damage
development
dirty
ditch
drainage
economy
excavation
foundation
fuel
heating
heating pipes
housing
industrial
infrastructure
infrastructure development
installation
installing
job
large
laying
municipal
network
pipe
pipeline
pipeline construction
pipes
pit
plumbing
plumbing pipes
repair
repair work
replacement
section
sewage
sewer
sewerage
system
systems
trench
underground
utility
waste
water
work
定額
Laying or replacement of underground storm sewer pipes. Installation of water main, sanitary sewer, storm drain systems in city. Backgroundの素材 [FY310146893304]
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