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Well, if they are blind and deaf, they really shouldn't be out crossing roads, but if they do, here's how. You know those buttons on the electric lamps that trigger the "walk" and "don't walk" signals? Well, bellow them is a pad that vibrates to the sound of the beeps. If they were to touch this pad, then all they would need to do would be cross the road when the feel the vibrations speed up.

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14y ago

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