A chair with wheels designed as a replacement for walking is known as wheelchair. This is used for movement of physically disabled, elder people, children who have difficulty and are unable to walk. The wheelchair is of two types based on the power used for mobility: 1.Manual powered wheelchair. 2.Electric powered wheelchair. Manual powered wheelchairs are driven by manual power, classified into foldable and non-foldable with or with out commode design. Electrical powered wheelchair runs with electric... Mehr