機器
PPE
automated
automatic
blue
breath
business
care
china
clinic
conveyor
conveyor belt
corona
covid19
disposable
doctor
epidemic
equipment
face
face mask
factory
health
hospital
hygiene
making
manufacture
manufacturing
mask
medical
medicine
new normal
pandemic
patient
pollution
polypropylene
prevention
production
production line
respirator
social distancing
supply
surgery
surgical
surgical mask
technician
technology
virus
worker