Ключевые слова: adult, authorizing, business, buyer, buying, commercial, consumer, counter, covid19, customer, department, detail, document, epidemic, female, filling, giving, hand, holding, male, mall, man, mask, pandemic, paper, paying, payment, pen, people, professional, protection, protective, purchase, quarantine, receipt, reception, retailer, salesman, seller, selling, service, shopping, sign, signature, store, woman, writing,