機器
activity
big
bucket
building
bulldozer
construct
construction
construction sit
development
diesel
dig
digging
dirt
earth
equipment
excavate
excavating
excavation
excavator
granite
ground
heavy
hill
hydraulic
industrial
industry
large
loader
mountain
mover
one
orange
outdoors
power
quarry
red
road
rock
sand
scoop
shovel
site
sky
soil
tractor
transportation
vehicle
work
yellow