Ключевые слова: business, buy, card, cashier, check, client, commercial, computer, connection, consumer, contactless, counter, cropped, customer, digital, electronic, equipment, female, financial, gadget, grocery, hypermarket, indoor, machine, market, mobile, modern, payment, pays, person, phone, purchase, register, retail, scan, screen, self, selfcheckout, selfservice, service, shop, smartphone, store, supermarket, technology, terminal, touch, transaction, wireless, woman,