英文關鍵字
background
cleaning
cleanser
communal
dirty
equipment
garbage
grass
heat
industrial
laborer
male
man
nozzle
outdoors
park
pathway
pavement
pavers
people
power
powered
professional
spring
street
sweeper
wash
washer
water
wet
worker
英文關鍵字
background
cleaning
cleanser
communal
dirty
equipment
garbage
grass
heat
industrial
laborer
male
man
nozzle
outdoors
park
pathway
pavement
pavers
people
power
powered
professional
spring
street
sweeper
wash
washer
water
wet
worker