Jul 31
Human beings have legs that take them from place to another, but in the unfortunate cases where they cannot function because of a disability, the movement becomes restricted and they become dependent on others for moving around. Mobility may get affected through some disease or may also be caused due to an accident. Age can also render a person immobile. To solve this problem, wheelchairs came into being many years back. But people were not content with hand-operated contraptions that were u
