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Chances are high that we fail to steady with
meal trays in our hands and drop them to the ground.This situation is very dangerous
These are a tray with built-in magnets,a plate and a glass with magnets inside their bottom,a pair of metallic knife and folk.By means of griping table wares on it,the tray helps avoid inconveniences and
danger of pouring food and injury.
Guangdong University of Technology
Jianhang Liang/Jun li Ruoxi Zeng/Hanhua Rong