英文關鍵字
service
employee
cleaner
prevention
disinfection
spray
concept
background
copyspace
place
window
sill
disease
mask
protection
clean
epidemic
pandemic
chemical
man
quarantine
uniform
suit
infection
protective
safety
sanitize
disinfect
disinfectant
equipment
virus
health
control
hygiene
coronavirus
covid19
medical
person
room
workplace
cleaning
indoor
specialist
office
work
surface
staff
working
male
medicine