building
city
communal
communication
connect
construction
development
dig
dirt
ditch
drainage
earth
engineering
equipment
excavation
fixed
house
industrial
industry
infrastructure
installation
laying
maintenance
metal
modernization
old
outdoor
pipe
pipe installation
pipeline
plumbing
repair
russia
rust
selective focus
service
sewage
supply
system
technology
trench
tube
underground
urban infrastructure
utilities
water
work
定額
Underground utilities. Modernization, laying or replacement of old pipes. Repair work of water main. Department of housing and communal services.の素材 [FY310149082231]
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