Ключевые слова: business, cafe, cafeteria, catering, caucasian, corona, coronavirus, counter, covid19, disease, drink, epidemic, europe, face, female, flu, glasses, health, health care, hygiene, infection, job, latte, mask, medical, people, protect, protection, quarantine, quattro, restaurant, safety, service, servicing, serving, setting, social, staff, surgical mask, susi, symptoms, table, takeaway, tray, uniform, virus, waitress, woman, work,