英文關鍵字
arm
base
below
blade
bucket
building
buldozer
bulldozer
caterpillar
closeup
construction
crawler
debris
demolition
destruction
digger
dirty
dozer
driving
dust
duty
earth
earthmover
equipment
excavation
excavator
ground
groundwork
heavy
hydraulic
industrial
industry
job
junk
loader
machinery
mechanical
mine
mover
operating
road
rock
rocky
rough
rugged
running
scoop
scrap
shovel
site
soil
terrain
top
transport
waste
work
worksite