bar
build
canalization
cement
civil
civil engineering
concrete
construction
cover
deep
dirt
dirty
drain
drainage ditch
drainage pipe
drainage pipes
equipment
forms
formwork
formworks
foundations
ground
groundworks
hole
infrastructure
inspection
inspection well
labor
manhole
manhole form
manhole pits
pile
pipe
pipeline
pipes
public works
rebar
reinforcement
sewage
sewage line
sewer
steel
steel fixing
storm water
storm water drain
system
trench
underground
underground drainage
well
定額
Laying drain pipes and concrete manholes for stormwater system. Connecting a trench drain to a concrete manhole structure at construction site. Construct stormwater and underground utilitiesの素材 [FY310143029100]
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