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A lot of family's usually use wood chopsticks nowadays because they are from the natural environment. Actually,when we wash those, we usually don't care about head and tails if the chopsticks float on the water level. And it is real hard to absolutely clean. Then when you put them back, they will be head to tail staggered.However,we are going to add an iron mould to chopsticks'tails. Then,when we clean the chopsticks,the tail will sink,and will be convenient to clean.The tail will always be downward and when we put it back.All in all, this way make our life have more health and more convenience.
East china jiao tong university
Nanchang city, China
East china jiaotong university
nanchang jiangxi, China
Yuecen Han Junbin Liu Shuai Zhang Wenyu Hu