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Such a thing is not a rarity in our daily life-when working on a ladder, we need to grab too much stuff in our hands. For instance, we need to hold the paint barrel and the paint brush when we paint but there’s not enough space to place them. However, having them in hands will affect the working efficiency. But if we fetch some one to help us, then it’s a pure waste of time and manpower. Our design adds an operating platform to the ladder, thus making it possible for us to fetch as many tools as we want at one time without the assistance of others-problem solved and efficiency increased.
Dalian Minzu University