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Ainsley Aikens18 Mar, 2019Business

When you put a coin in a vending machine, during the fall, a laser sensor measures the size of the coin and an electromagnet detects what type of metal the coin is made of. From these two data, the machine is able to distinguish a false coin from a real one and to classify the coins by their value. And, if your vending machine is not working properly, then it is about the time to change or replace the entire coin operated machine parts� mostly the coin slot.