英文關鍵字
adult
caution
cleaner
cleaning
cleanup
correctional
corridor
detergent
dirty
disinfect
employment
equipment
floor
hospital
housekeeper
housework
hygiene
industry
interior
janitor
job
lowpaid
maintenance
manual
mop
mopping
occupation
office
performance
person
prisoner
profession
professional
purity
routine
safety
service
services
staff
stage
therapy
tool
uniform
washer
washing
wiping
work
worker
working
workplace