Which of the following does NOT help the people with walking disabilities?

Crutches

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Prosthetic leg

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Wheelchair

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Projector

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Solution

The correct option is D Projector
Projector is a device that presents an image or a video from our personal computer or laptop onto a large surface, usually a white screen or wall. It views the information to a larger group of people in a more comfortable and clear manner as compared to a laptop screen.

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