antibacterial
background
bag
blue
boot
care
clean
cleanness
clinic
covers
dirt
dirty
disposable
doctor
equipment
foot
footwear
group
gumshoe
health
hospital
hygiene
laboratory
many
medical
medicine
object
overshoe
packaging
pair
plastic
polyethylene
polythene
protect
protection
protective
quarantine
safety
sanitary
shoe
single
sterile
surgery
surgical
uniform
visitor
walk
wear
white
work