Ключевые слова: adult, banking, business, buying, cashier, casual clothing, caucasian ethnicity, closeup, communication, contactless payment, credit card, credit card purchase, credit card reader, customer, electronic, finance, food, holding, human hand, indoors, lifestyles, machine, occupation, ordering, paying, payment, restaurant, retail, shopping, small business, smart card, store, technology, terminal, transaction, unrecognizable person, wireless technology, women, working, young adult, young women,