WHEELCHAIRS AND WALKING AIDS	Wheelchairs allow people who cannot stand or control movement of their lower body move around. There are many different types of wheelchairs. Some wheelchairs are manual which means that a person pushes it to go. Others are electric so the go with a small engine. There are also special wheelchairs that allow people to do specific activities such as sports. For people who have some ability to stand and walk there are different types of walkers that help persons with physical disabilities keep balance.
PROSTHETIC DEVICES	Prosthetic device replace a missing body parts.  So the people who are born with missing limbs or had limbs amputated can replace them with a mechanical one. Today's prosthetic devices look almost like real limbs and can be designed for many purposes. Prosthetic device are custom made for each individual and they need to be replaced when a person grows or gets heavier.
HEARING AND VISION AIDS	Some people with physical disabilities have trouble hearing and seeing or may be deaf or blind. For people with vision problems glasses and other aids that make objects larger can help. There are also hearing aids that make sounds louder, allowing people to hear better.
COMPUTER DEVICES	Computers help people with physical disabilities communicate.  Some of them use Alternative Communication System and enter symbols or codes in the computer. Sometimes they use head pointing devices because the rest of their body cannot e used in communication. In the future computers may make our world more equal because physically disabled can communicate, work from home, take classes online or even shop and order online.