英文關鍵字
disinfection
disinfector
epidemic
protection
virus
man
coronavirus
pandemic
disease
infection
mask
spray
protective
quarantine
people
suit
cleaning
danger
prevention
pneumonia
worker
safety
spread
disinfectant
covid
specialist
health
medical
spraying
cleaner
flu
hygiene
white
antibacterial
global
working
male
professional
indoor
respiratory
antiseptic
equipment
respirator
antiviral
bacterium
care
control
glasses
gloves
public