Vending machines are machines that offer various snacks, beverages and other products to consumers. The idea is to vend products without a cashier. Items sold via vending machines vary by country and region. In our country, vending machines generally serve the purpose of selling beverages such as coffee, tea, cacao, cappuccino and soft beverages, for example Coca Cola, Fanta, juice and mineral water. They are situated at the places where a lot of people occure for example at schools, hospitals, bus stations, stores, airports, truck stops and so on.