機器
action
activity
area
blade
bucket
building
bulldozer
construction
construction site
dig
digger
earth
earthmover
earthmoving
eathmoving
engineering
equipment
excavation
excavator
ground
heavy
hydraulic
industrial
industry
large
loader
machinery
mining
mover
moving
outdoors
quarry
sand
sandpit
scoop
shovel
site
sky
soil
tool
tractor
trench
unloading
vehicle
wheel
wheel loader
work
worker
yellow