機器
background
backhoe
big
bucket
building
bulldozer
construction
dig
digger
dredger
earth
earthmover
engineering
equipment
excavate
excavation
excavator
ground
heavy
hoe
hydraulic
industrial
industry
iron
isolated
loader
machinery
mover
orange
power
quarry
rock
shovel
site
tool
vehicle
wheel
white
work
yellow