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There are some bacteria or viruses in our surroundings, so the more things we have touched, the more accumulation of them will stay on our skin. Especially when people touch handles in public places such as hospital or school, their hands will keep accumulate bacteria, and the stay of bacteria would also cause colds and illness. To improve the hygiene of surroundings, we combine the knob and sterilizer. The alcohol stored inside will spray out immediately by pressing the knob. It can not only clean people's hands but also sterilize knobs indirectly.
National Kaohsiung University of Sc
YUNG- TING TSENG,
National Kaohsiung University of Science and Technology Department of Electronic Engineering
National Kaohsiung University of Science and Technology Department of Industrial Design