機器
arm
autumn
backhoe
blue
bucket
civil engineering
construction
construction machinery
construction site
construction vehicle
digger
digging
dredging
embankment
excavator
ground
heavy
heavy machinery
hydraulic
hydraulic excavator
hyogo prefecture
industry
japan
landscape
machinery
muko river
operation
operator
outdoor
park
pond
reflection
river
river conservation work
riverbank
riverbed
sand
scoop
shovel
site
sky
soil
special vehicle
sunny
water
work
yellow