機器
action
blizzard
bulldozer
car
chilly
cleaning
cleanup
clearance
clearing
cold
engine
equipment
frozen
handle
heap
ice
loader
machinery
outdoor
plough
road
roadway
rubbish
scoop
scrape
scraper
service
snow
snowy
storm
street
sweep
sweeping
technology
tool
tractor
transport
transportation
urban
vehicle
weather
winter
work
working