機器
action
activity
backhoe
big
blade
bucket
building
bulldozer
construction
dig
digger
dirt
dozer
earth
earthmover
eathmoving
equipment
excavation
excavator
forest
ground
heavy
heavyduty
hydraulic
industrial
industry
isolated
large
loader
machinery
mining
mover
outdoors
power
quarry
sand
scoop
shovel
site
sky
soil
stones
tractor
unloading
vehicle
wheel
work
yellow