英文關鍵字
agent
bucket
car
cleaner
cooperation
coverall
diverse
employment
equipment
female
gloves
gun
hanging
hoover
human
hygiene
hygienic
job
labor
lady
machinery
mop
mopping
people
professional
rubber
sanitary
sanitation
secret
septic
service
smiling
special
squeegee
standing
sweeper
tools
trunk
undercover
uniform
vacuum
vehicle
washing
weapon
wear
woman
work
worker
workers