Ключевые слова: accept, bar, billing, business, buy, cafe, cafeteria, cashier, caucasian, client, closeup, coffee, concept, credit, customer, device, digit, digital, drink, electronic, female, finger, girl, hand, internet, local, machine, number, owner, pad, pay, payment, people, person, purchase, register, sell, seller, shop, small, technology, touch, typing, use,