機器
backhoe
blade
bucket
building
bulldozer
clay
construct
construction
contractor
crawler
development
dig
digger
duty
earth
earthmover
eathmoving
equipment
excavation
excavator
gravel
ground
heavy
heavyduty
hydraulic
industrial
industry
loader
machinery
mine
mover
moving
outdoors
pit
quarry
sand
sandpit
scoop
sea
site
soil
tracks
transport
under
unloading
vehicle
work