機器
action
blizzard
brush
bucket
bulldozer
city
clean
cleaner
clear
cold
day
environment
equipment
excavator
frost
frozen
ice
landscape
machinery
municipal
nature
outdoor
parking
people
removal
remove
road
scoop
scraper
season
service
sidewalk
snow
snowfall
snowplow
snowy
street
town
tractor
transport
truck
urban
vehicle
weather
wheel
white
winter
work
worker