英文關鍵字
action
blade
blizzard
blow
blower
blowing
bulldozer
car
city
cleaning
cleanup
clear
cold
driving
equipment
frost
heap
industrial
industry
machine
machinery
motion
municipal
north
outdoor
plow
plowing
power
removal
road
safety
season
snow
snowdrift
snowfall
snowplow
snowstorm
snowy
storm
throw
thrower
tractor
transport
transportation
vehicle
weather
white
winter
work