backhoe
cement rings
concrete well
concrete well ring
construction
construction site
culverts
dig
digger
dirt
drainage
drainage pipe
drainage system
earth
earth work
earthwork
excavate
excavation
excavator
ground
groundwork
laying
loader
pipe
pipe laying
pipes
plumbing
reinforced construction
repair
replacement
sanitary sewer
scoop
sewage
sewer construction
sewer pipes
sewer wells
sewerage
storm
treatment
trench
underground
utility infrastructure
water
water main
work
定額
Excavator dig ground for sewerge construction. Trench for laying a concrete well ring and sewer pipe. Sewage drainage and concrete pipes. Earth-moving heavy equipment. Earthworks at construction site.の素材 [FY310176746784]
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