英文關鍵字
aeroplane
aircraft
airplane
alcohol
attendant
cabin
chore
cleaner
cleanliness
close
concept
corona
coronavirus
covid
crew
disinfect
disinfectant
disinfecting
female
flight
galley
gel
germs
hand
handle
health
home
hygiene
interior
knob
lock
medical
metallic
pandemic
patient
plane
prevention
professional
protection
safety
sanitizer
shelf
steel
toilet
wash
washing
white
wipe
work
worker