機器
action
activity
blade
building site
bulldozer
busy
civil engineering
concept
construction
contractor
dozer
dry
dusty
earth mover
earthmoving work
excavator
front end
ground
heap
heavy
huge
hydraulic
industry
job
land
level
loader
low angle view
make
manage
operate
pile
piled
piled up
process
push
red
sand
scene
scenery
site
soil
tractor
vehicle
wheel
work
work in progress
workplace
zone