英文關鍵字
road
brush
snowplow
snowstorm
snow
municipal
machinery
snowfall
winter
tractor
snowy
clean
service
machine
removal
shovel
white
bucket
driving
bulldozer
city
park
storm
shoveling
yard
loader
ice
action
worker
sidewalk
plowing
equipment
frozen
removing
paving
scoop
seasonal
truck
cold
remove
vehicle
plow
excavator
street
pavement
cleaning