機器
activity
big
bucket
building
bulldozer
construction
construction site
contractor
country
dig
digger
digging
dirt
earth
earthmover
earthmoving
earthwork
equipment
excavate
excavation
excavator
gravel
ground
heavy
hydraulic
industrial
industry
loader
machinery
movers
power
road
sand
scoop
should
shovel
site
sky
tractor
vehicle
work
yellow