appliance
bucket
cart
caution
clean
cleaner
cleaners
cleaning
corridor
danger
dirty
door
electric
electricity
employment
equipment
floor
group
happy
holding
housekeeper
housekeeping
janitor
job
maintenance
male
man
manual
mature
office
people
profession
professional
service
sign
smiling
standing
team
teamwork
three
uniform
vacuum
vacuuming
wall
wet
woman
workers
working
workplace
young