機器
action
big
bucket
building
bulldozer
construct
construction
contractor
digging
dirt
dirty
dump
earth
earthmover
equipment
excavation
excavator
ground
heavy
hydraulic
industrial
industry
jack hammer
large
loader
machinery
mover
moving
plow
power
rock
sand
scooping
shovel
site
sky
small
soil
stone
technology
tractor
transport
truck
unloading
vehicle
wheel
work
works
yellow