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The lift for your waist health
We always have to bend our waist when we need to move stuffs on the floor, it feels tired if it's happened all the time. Here is the suggestion to solve this problem, 'Lifting trolley' for carrying stuffs higher than your waist. Carrying stuffs down from the heights of your waist does not have a bad effect for your waist health, but the opposite situation of it will have. If the heavy stuff moves up on the heights of your waist automatically, we could organize things easily.
Sangji University
GwangMyeong, South Korea
Minhee Park,
Sangji University
Ha-na Bae,
Hong-ik University
Jae Seung Lee,
Kei Myung University
