機器
activity
backhoe
big
blue
bucket
build
building
bulldozer
construction
development
dig
digger
dirt
dusty
earth
engineering
equipment
excavate
excavation
excavator
ground
heavy
hydraulic
industrial
industry
job
large
loader
loading
machinery
metal
mover
moving
orange
outdoor
power
road
sand
scoop
shovel
site
sky
soil
stone
tractor
vehicle
work