機器
backhoe
big
building
bulldozer
construction
contractor
dig
dirt
earth
equipment
excavate
excavator
ground
heavy
illustration
industrial
industry
large
loader
loading
machinery
mining
motor
move
mover
power
powerful
push
road
sand
scoop
scraper
service
shovel
site
soil
track
tractor
transport
transportation
truck
vehicle
wheel
white
work
worker
yellow