英文關鍵字
tractor
work
city
brush
equipment
snow
winter
machine
outdoor
urban
road
weather
vehicle
cold
street
season
machinery
snowfall
white
sidewalk
snowplow
industrial
removal
frozen
industry
clean
removing
blizzard
remove
snowy
wheel
service
frost
action
worker
driver
pavement
clearing
rubber
day
snowstorm
cleanup
truck
plow
car
cleaning
clear
maintenance
landscape
yard