機器
action
activity
background
backhoe
blue
bucket
build
building
bulldozer
construction
dig
digger
dirt
dump
earth
earthmover
earthwork
equipment
excavate
excavating
excavation
excavator
ground
heavy
hydraulic
industrial
industry
job
land
loader
loading
machinery
mover
moving
orange
pile
power
sand
scoop
shovel
site
sky
soil
tractor
truck
unloading
vehicle
work
working
works
yellow