Ключевые слова: 3m, care, concept, corona, coronavirus, cover, covid19, danger, disease, dust, epidemic, equipment, face, face mask, filter, flu, health, healthcare, hospital, hygiene, illness, infection, influenza, isolated, mask, medical, medicine, n95, object, pollution, prevention, protect, protection, protective, respirator, respiratory, safety, sick, surgical mask, virus, white,