英文關鍵字
background
blizzard
christmas
city
clean
cleaner
cleaning
cold
driveway
equipment
frozen
ice
janitor
january
maintenance
man
metal
people
plow
removal
remove
removing
road
season
seasonal
shovel
shoveling
sidewalk
snow
snowdrift
snowfall
standing
storm
street
tool
weather
white
winter
work
worker
yardman