機器
action
background
big
blade
bucket
bulldozer
city
cleaner
cleaning
clearing
cold
digger
dirty
driver
earthmover
equipment
excavation
excavator
frozen
heap
loader
moving
municipal
old
park
pile
removal
remove
road
scoop
scraper
snow
snowball
snowblower
snowdrift
snowplow
spring
standing
street
tractor
urban
vehicle
weather
wheel
white
winter
work
worker
yellow