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Some restaurants need to use the tray to move your food or drink to your seat. But some people are not easy to use it or sometimes it's hard to reach your seat. For example, the column crutches man holding the tray by his one hand or holding the tray up and down stairs, it will be dangerous to spilled the food, especially the drink.
I desinged the tray can holding the drink. It will easy to move to your seat, and more safely.
National Taichung University of Science and Technology
Taichung, Taiwan
Hui-Chin Ho,
National Taichung University of Science and Technology