機器
big
bucket
build
bulldozer
close view
compaction wheel excavator attachment
construction
construction site
development
dig
digger
dirt
earth
earthmover
electricity
energy
engineering
equipment
excavation
excavator
ground
heavy
hydraulic
idle
industrial
industry
loader
machinery
mining
mover
piece
power
powerful
sand
scoop
shoveling
site
station
sunset
supply
tool
track
transport
transportation
utility
vehicle
work
yellow