assembling
cement
concrete
construction
culverts
damage
dirty
drain systems
drainage
excavation
ground
grunge
hole
industrial
industry
infrastructure
installation
installing
job
joints
large
manhole
pipe
pipeline
pipes
pit
plumbing
pumping
reinforced
repair
repair work
replacement
ring
rings
section
septic
sewage
sewer
sewerage
site
storm
system
trench
underground
waste
water
water tightness
well
wells
work
定額
Installation of concrete sewer wells in the ground at the construction site. The use of reinforced concrete rings for cesspools, overflow septic tanks. Improvement of wells and storm sewageの素材 [FY310230610200]
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