英文關鍵字
disinfector
man
mask
disinfect
concept
coronavirus
disinfection
pandemic
quarantine
uniform
working
male
infection
suit
protective
attention
warning
virus
epidemic
person
disease
respirator
gesture
quality
spray
hygiene
work
safety
covid
glove
cleaner
business
modern
antiseptic
disinfecting
covid19
healthcare
health
laboratory
office
protect
spraying
specialist
hygienic
respiratory
control
room
distance
sanitizing