機器
activity
agricultural
backhoe
big
bucket
build
bulldozer
construction
crushing
demolishing
demolition
destruction
dig
digger
dirt
earth
earth mover
earth moving
earth moving machines
earthmoving
engineering
equipment
excavating
excavation
excavator
grading
ground
heavy
hydraulic
industrial
industry
jackhammer
land
landscape
loader
machinery
mover
one
parked
power
shovel
site
sky
soil
tractor
transport
vehicle
work
yellow