機器
backhoe
bucket
building
construction
construction industry
construction machinery
construction site
crusher
danger
demolishing
digger
digging
dirt
earth
earth mover
earthmover
equipment
excavate
excavation
excavator
gravel
ground
heavy
hydraulic
industrial
industry
loader
machinery
material
mover
power
road
rock
sand
scoop
shovel
shoveling
site
stone
structure
tool
transport
vehicle
vehicle scoop
work
working
yellow