マナー
armor
bare hands
blue
body parts
bubbles
causative agents
clean
cleaning
cold
cold prevention
corona
coronavirus
defense
detergent
dirt
disinfection
etiquette
flu
flu prevention
germs
hand
health
home
icon
illustrations
infection
infection prevention
medical
pollution
prevent
prevention
protective
rice
soap
thorpe
toilet
vector
virus
wash
wash your hands
white
with both hands