Ключевые слова: banking, bartender, bill, buying, cafe, cafeteria, card, cashier, checkout, client, coding, coffee, coffeehouse, commerce, consumerism, contactless, credit, customer, debit, device, earphones, exchange, financial, hand, machine, male, man, market, mobile, money, nfc, paying, payment, pleasant, pos, reader, restaurant, retail, service, smartphone, smiling, telecast, terminal, transaction, transfer, visitor, waitress, well, wireless, woman,