機器
action
activity
backhoe
blade
bucket
building
bulldozer
construction
construction site
dig
digger
dirt
dredger
dump
dumper
earth
earthmover
eathmoving works
equipment
excavation
excavator
gravel
heavyduty
highway
industrial
industry
land
machinery
mining
mover
outdoors
sand
sand pit
sand quarry
sandpit
scoop
shovel
site
soil
tractor
truck
unloading
vehicle
wheel loader
white
work
yellow