Ключевые слова: basket, bill, business, buy, buying, card, cart, cash, cashier, cashless, checkout, commerce, commercial, consumer, consumerism, counter, credit, credit card, customer, department store, eshop, finance, food, grocery, hypermarket, mall, market, pay, paying, payment, product, products, purchase, purchasing, queue, register, retail, sale, selfcheckout, service, shop, shopping, shopping basket, store, supermarket, technology, terminal, transaction,