機器
adult
background
bioclean
broom
business
caucasian
chores
cleaner
cleaning
cleanness
corridor
dust
equipment
factory
floor
flooring
hall
home
house
industrial
interior
job
lady
lifestyle
maintenance
male
man
mop
occupation
office
pass
passage
people
person
purity
routine
scrab
service
smiling
standing
sterile
uniform
washer
washing
water
wet
white
worker
working