英文關鍵字
alcohol
antibacterial
border
care
carpet
clean
cleanliness
contagious
contamination
control
disinfectant
disinfection
door
doormat
entrance
equipment
floor
foot
footwear
front
germ
health
hygiene
infection
laundered
liquid
mat
medicals
outbreak
pandemic
precaution
prevention
protection
protective
risk
rug
safety
sanitize
sanitizing
shoe
standing
sterile
virus
widener