Ключевые слова: adaptation, airborne, allergen, background, blue, care, color, concept, decorative, disease, disposable, epidemic, equipment, fastening, flu, health, hygiene, illness, infectious, influenza, mask, medical, medicine, mouth, ncov, new, nobody, object, paper, pneumonia, pollution, professional, protect, protection, protective, respiration, respiratory, safety, sars, sick, sickness, space, sterile, surgery, surgical, top, treatment, virus,