www.modelflight.com.au
Wheelchairs: History and the Necessity of Manual Wheelchairs
It is believed that the wheelchair is originated from England in 1670s. As its name, a wheelchair is a chair with wheels. It can be propelled either manually or using electrical power. Transporting people who have walking problems is the main function of the wheelchair.
A standard wheelchair has a seat, a back, two small front [...]