機器
action
activity
background
backhoe
big
blade
blue
bucket
build
bulldozer
cloudscape
construction
daytime
dig
digger
dirt
dirty
earth
earthmover
eathmoving
engineering
equipment
excavating
excavation
excavator
ground
heavy
hydraulic
industrial
industry
large
loader
machinery
mining
mover
old
outdoor
power
quarry
sand
scoop
shovel
site
sky
soil
tractor
vehicle
work
yellow