Equipment for Disabled Persons

1.Who Invented the Braille System?

• The braille system was invented by Louis braille, a visionary French educator.
• He was visually impaired but excellent in his studies, for which he received scholarships from the French government.

2.Why Do Blind People Use White Coloured Sticks for Support?

Blind people use white coloured sticks for support on busy roads because the white colour reflects light efficiently, making it noticeable.

3.What Is a Tactile Sensor?

• Tactile means something related to skin or touch.
• Visually impaired people use tactile sensors.
• A very common tactile sensor is the touchscreen on our smartphones.
• Through the touch sensation, blind people can feel the raised dots of a braille system.

4.What Are the Side Effects of Using a Crutch?

Using a crutch may cause many side effects -

• Joint pain in hands and waist.
• Pain in underarms.
• Sores in arms.
• Sudden falls that may sometimes lead to bone injuries.
• Prolonged use of a crutch can cause stiffness in the body.

5.What Kind of Materials Are Used to Make Prosthetic Limbs?

• Mostly titanium rods and plates are used to make prosthetic limbs.
• For better movement, some prosthetic limbs are made with silicone.
• Apart from these two materials, resins, aluminium and plastic or fibre materials are also used to make prosthetic limbs.

6.What Is Sign Language?

• Sign language is a method of conveying messages, emotions or thoughts using hand gestures or actions.
• Sign languages are used by deaf and dumb people, as they cannot speak and hear.
• There are a total of 300 sign languages.
• Communication with the help of sign language is efficient when both the people communicating know about it.