英文關鍵字
2019ncov
antibacterial
bag
blue
care
chair
clean
cleanness
clinic
coronavirus
covers
covid19
disposable
dust
floor
foot
footwear
galosh
health
hospital
hygiene
isolated
line
medical
medicine
object
order
overshoe
packaging
pair
patient
polyethylene
polythene
pool
protect
protection
protective
restricted
room
safety
shoe
slip
sterile
sterilized
surgical
visitor
wait
waiting
wear
women