機器
activity
big
bucket
build
bulldozer
construct
construction
day
develop
digger
earth
equipment
excavating
excavation
excavator
expand
heavy
hydraulic
industrial
industry
landscape
loader
machinery
metal
mini
mountain
mover
one
orange
outdoors
road
rock
sand
shovel
site
skid
sky
soil
stone
tractor
vehicle
wheel
work
worker
workout