| 摘要 |
Drinking water bottle return apparatus having a bin, a door or receiving tray movable between an open position and a closed position, a first sensor detecting when the door or receiving tray in the open position, a second sensor detecting a drinking water bottle entering the bin, and a receipt dispenser that dispenses a receipt in response to detection by the second sensor of a drinking water bottle entering the bin within a predetermined time period after detection by the first sensor of the door or receiving tray in the open position.
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