abstract
bacterium
beauty
bubbles
clean
cleaning
cleansing
description
dirty
finger
flat
flu
gel
germs
gestures
guidance
hand
hands
health
hygiene
hygienics
icon
illustration
infection
informational
instructional
isolated
liquid
manual
medical
medicine
palm
people
prevention
preventive
restroom
rub
sanitary
scrub
sign
soap
step
steps
wash
washing
water
wet
white