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This concept aims to assist in the visually impaired or identify difficulties.
1.Try an correctly identify clues by touching sensory plug what correspond to appliances.
2.Considering its mating the degree of difficulty, is guided into the socket detail of the pull ring.
3.Touch identification the electrical float pattern design ,is guided into the visually impaired easily.
National Cheng Kung University
Tainan City, Taiwan
Overseas Chinese University