機器
automobile
bucket
build
bulldozer
car
construction
contractor
dig
digger
dirty
duty
earth
earthmover
equipment
excavate
excavation
excavator
forest
grader
heavy
horizontal
hydraulic
industrial
industry
large
loader
machinery
mover
outdoors
powerful
road
scoop
scraper
site
snow
street
track
tractor
transport
transportation
truck
vehicle
weather
wheel
white
winter
work
working
yellow