機器
action
blockage
building
bulldozer
clay
clear
commercial
construction
contractor
crane
dig
digger
dirt
earth
engineering
equipment
excavate
excavation
excavator
fossil
ground
heavy
hydraulic
incident
industrial
industry
land
large boulders
loader
loading
machinery
mini
mover
quarry
resource
road
sand
scene
scoop
shovel
site
track
tractor
unloading
vehicle
work
workplace