Read about Sabriye Tenberken in the World People's Blog to learn about this amazing woman's life and work.
Also, take a look at the Wikipedia page about Tibetan Braille to see what the Tibetan Braille alphabet looks like.
While reading the articles, make not of 20 new vocabulary words that you have found. Copy (cut and paste) the sentences where you found them and look up the definition of each word.
Bring your list to class, where you will share them with a partner.
Did you notice some unusual spellings? The spellings of "realised," "organised" and "learnt" are British English spellings. World People's Blog is an international forum that uses British English.
Compare your word list with the following. Write definitions for the ones that are not on your list (you may have to look them up).