broadband
build connection
cable
cables
check
communication
conduit
control check
culvert
datacenter
ditch
drainage
duct
earthwork
electric
electrician
electricity
energy
facility
fitting
ground hole
hdpe tube
infrastructure
line
maintenance
network
optic
optical cabel
pipe
power
protective pipeline
pure
pvc
repair
sandy clay
sewage
sewer
sewerage
soil
system
technology
telecommunication
trench
underground
wire
work
定額
Excavation of trench with black cables in protective HDPE tube. Lines of metallic and fiber optic cables, building of communication optical network. The installation of connection.の素材 [FY31078611037]
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