The system can be sold in denominations of 60 cents, 0.7, 80 cents, 9 angle of the pencil, buyers can choose a nominal value of the pencil to buy. Through the display to see if some kind of pencil you want to buy if there inventory stock to vote the money. The time of purchase can be put into a corner of the Pentagon and a coin when the coin to meet or exceed the purchase selected nominal value, and then confirm whether to buy, confirm the purchase, it sold a pencil, a time to sell a pencil and retrieve the remaining coins back to the initial state cast coins value less than the nominal value of coin through a reset button to return back to the initial state. If the cancellation of the purchase, they returned all the money invested.

zidongshouqianbiji.doc

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