building
concrete well ring
construction
construction site
culverts
dig
ditch
drainage
drainage pipe
drainage system
earthwork
excavation
foundation
ground
hole
installing
laying
pipe
pipeline
pipes
pit
plumbing
reinforced construction
repair
sanitary sewer
sewage
sewer
sewer pipes
sewer wells
sewerage
sewerage well
trench
utility infrastructure
water main
well ring
定額
Laying of underground storm sewer pipes and sewerage well. Sewerge construction. Trench for laying a concrete well ring. Sewage drainage and concrete pipes. Earthworks at construction site.の素材 [FY310188770409]
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