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There are lot of times when we get our hands cut while using rulers with cutter knife. to solve this situation we want to do it morphologically. We always tend to use rulers with cutter knife and carrying them both can be a hassle. I want to unify the ruler and the knife together and make it to cut accurately.
Choeng Ju University
Cheong Ju, South Korea
Young-hee Jang,
Choeng Ju University