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In developing countries,infectious disease such as pulmonary tuberculosis and HBV are still big threat to health.Contagious patient need to pay more attention to their personal hygiene and disinfect their tableware regularly.This project is a sterilize box which is easy to carry and can be used both in the hospital and at home. When power is on,it can sterilize users’ tableware
effectively with ultraviolet ray and ozone. Besides,it can start working while rotating the handle of the box and stop while the handle is back.