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You most likely ask about Braille.
The Braille system is a method that is widely used by blind people to read and write. Braille was devised in 1821 by Louis Braille, a blind Frenchman. Each Braille character or cellis made up of six dot positions, arranged in a rectangle containing two columns of three dots each. A dot may be raised at any of the six positions to form sixty-four (26) possible subsets, including the arrangement in which no dots are raised.
What else can I help you with?
What is the shape colour-coded button used by visually-impaired or blind people?
Sladecolour produces a set of buttons designed for the blind and visually impaired that help to relate color to touch. The buttons match 16 colors each to their own unique shape. The buttons can be attached to canisters and containers to identify their contents or sewn to clothing to assist in putting together a color coordinated outfit.
Who is braille used by?
It is used by blind people.
Was Braille used by armies?
No. It was used by blind people.
What did people use before zippers?
They used buttons.
Why is braille used?
so blind people can read.
What is the name of graphy which are used by blind people?
Braille
How is Braille used today?
For blind people to read.
What is the method of writing used by blind people?
braille
Finger spelling is used by?
Finger spelling, or signing, is used by blind people.
Why do people say blind as a bat?
Well as people think bats are blind because they often bump into people they acually see better than people. As people thinking bats were blind for many years people used the phrase even after science proofed bats weren't blind! They told it to people who were clumsy or needed glasses!
What are sewing buttons generally used for?
Many sewing buttons are used to add personal style to clothing or to replace a button that had otherwise fallen off. Also, many people enjoy collecting buttons, and trading their favorites with other collectors.
What could buttons be used for?
Buttons can be used for many different things. On clothing, buttons are used to close on opening. One remotes, buttons are used to change channels and adjust the volume.
