| 摘要 |
PROBLEM TO BE SOLVED: To increase a motive of using an individual's cup and to reduce a waste of resources, etc., by giving a special favor to a purchaser who uses his or her own cup. SOLUTION: When a drink cup given machine-readable individual identification information is set on the drink automatic vending machine and the vending quantity of the individual reaches a predetermined value, this vending is regarded as vending with a special favor. An individual identification code 2 which is mechanically readable by a code reader 4 provided to the automatic vending machine and which consists of, for example, a bar code is added to the drink cup 1. The code reader 4 reads the code 2 of the set cup 1. Here, when the read code 2 is already registered among individual identification codes stored in a storage part, the special favor count value of the individual stored in another storage part is read out and when the special favor count value matches a special favor cup number, this vending is regarded as vending with a special favor.
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