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This is a syringe that can protect user from itself.After using it,you may elongate the rubber.People would not hurt by the needle include the suer and remover.
Guangdong Ocean University
Zhanjiang, China
Guobo Huang,
Guangdong Ocean University
Chaowen Liao,
Guangdong Ocean University
Yongquan Xue,
Guangdong Ocean University