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The blindmen, who are the disadvantaged group in the society, cannot see the road ahead, which leads to scratching and scraping, needing others to correct the direction. In the match, the staff are needed to tap at the back using stick to prompt arrival and directional deviation at terminal. This blindman goggle has infrared inductor which induces the distance from track and pool wall to emit shake to prompt direction and arrival, also can guarantee security of blindman.
South China Agricultural University