機器
activity
background
bucket
build
bulldozer
city
construction
development
dig
digger
dirt
earth
equipment
excavating
excavation
excavator
gravel
heavy
hydraulic
industrial
industry
job
loader
machinery
metal
mover
outdoors
power
repair
road
sand
scoop
shovel
site
soil
street
track
tractor
transport
transportation
truck
urban
vehicle
wheel
white
work
worker
yellow