No,because it has moving parts in it and a simple machine dose not have any moving parts
It depends what vending machine it is, But most of 99% vending machine are really easy to operate.
We have hundreds of machines and our answer is 'trial and error'. You check it frequently and get a guage for how often it needs to be checked. Some machines vary in frequency. For instance, a...
How to draw State machine model for washing machine
coca cola and Pepe