Ключевые слова: asia, automatic, button, buy, buying, consumer, consumption, control, customer, digital, dispenser, drink, electronic, equipment, food, hand, infrastructure, key, keyboard, life, machine, maintenance, merchandise, money, number, operation, panel, pay, paying, payment, penetration, pressing, purchasing, push, pushing, select, sell, settlement, slotmachine, smart phone, smartphone, snacks, sound, technology, trade, vending, vending machine, vendor, vendor machine, woman,