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When people go to the washroom in the outside, they are annoyed because there is no place to hold the carry-on items. The items on the ground will be dirty and the items put in other places will be lost or forgotten to carry, which will lead to unnecessary troubles.The carry-on items can be put on the top grooves of the urinal.After urinating, the sensor makes a noise when people leave if they forgot to carry their items.Sensor’s noise reminds people who forget to carry their items of coming back to fetch back their item.