Which of the following does NOT help a visually impaired person?

Developed softwares

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Readers

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Recorded tapes

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Slippery floors

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Solution

The correct option is D Slippery floors
Slippery floors do not help a visually impaired person as it does not provide any warnings or signals that the person can feel and follow. Tactile paving system of floors overcome this difficulty.
On the other hand, readers or recorded tapes or developed software help the person with low or less vision to follow the instructions by using the sense of hearing.

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