機器
action
activity
blade
bucket
building
bulldozer
caterpillar
construction
diesel
digger
digging
dirty
dozer
earth
earthmover
equipment
excavator
frozen
ground
heavy
heavy duty
hydraulic
industrial
industry
large
loader
machinery
mining
mover
power
ripper
sandpit
shovel
site
soil
stripping
tool
track
tractor
vehicle
winter
work
yellow