Ключевые слова: adult, african, bag, barcode, black, business, buy, card, cash, cashier, checkout, consumer, contactless, counter, customer, eat, employee, food, fruits, goods, grocery, healthy, indoor, industry, lifestyle, line, man, market, nfc, pay, paying, payment, phone, product, queue, register, retail, sale, saleswoman, scan, shop, smart, smartphone, staff, store, supermarket, watches, woman, work,