backfilling
backhoe
bucket
civil
concrete
construction
construction site
contractor
dig
ditch
dozer
drainage ditch
drainage pipe
drainage pipes
drainage system
earth
earthmovers
excavate
excavation
excavator
formwork
installation
job
manhole
municipal
operator
pipe
pipeline
pipes
reticulation
safely
sand
sanitary sewer
sanitary sewers
sewage
sewer mains
sewer pipes
sewer wells
sewerage
soil compaction
storm
storm sewers
trench
trenching
underground
urban
utilities
water
water main
work
定額
Excavator at construction site during laying sewer and main reticulation systems. Civil infrastructure pipe, water lines, sanitary sewers and storm sewers. Underground utilities installationの素材 [FY310143028959]
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