機器
arm
backhoe
bucket
civil engineering
concrete
construction
construction machine
construction machinery
construction site
daytime
demolition
dig
dismantling site
embankment
engineering
excavation
excavator
heavy
heavy machinery
hydraulic excavator
hyogo prefecture
industrial
industry
japan
landscape
machinery
muko river
nature
operation
operator
outdoor
park
red
river
riverbank
riverbed
rubble
sand
sandbag
scoop
shovel
soil
steel
sunny
water
work