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Every syringe needs to be opened before injection, and must be thrown away after use. If reused, disease such as AIDs and hepatitis spreads from blood to blood. However, some medical facilities tend to not follow the rules to save money. Plus, mistakes happen when being confused to look like a new syringe. To prevent the reuse of the syringe, litmus solution is coated in the inner part of the syringe where the medicine cant reach. By pulling and pushing the syringe the litmus solution’s color changes to give the user information that the syringe has been used. This way, the user cannot reuse the syringe by accident.
Suwon, South Korea
Lee Hyun Hoo,
Woong hee Kim,