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People are afraid of the bike be stolen,they locked the bike ,and then, went to the toilet.
I design a lock which combined with the door ,
and it can quickly lock, easily go to the TOILET.
CHAOYANG UNIVERSITY OF TECHNOLOGY
Taichung County, Taiwan
Guo Zhang Yuan
CHAOYANG UNIVERSITY OF TECHNOLOGY
Taichung County, Taiwan
Ou,Nai-Ling
