Ключевые слова: accessibility, alphabet, background, blind, blindness, book, braille, characters, closeup, communicate, day, disabled, education, embossed, finger, hand, handicapped, health, impaired, international, invalid, language, letter, literature, object, open, page, paper, people, person, physical, point, read, reading, school, script, senses, sheet, sign, student, sunlight, sunny, symbol, system, text, textured, touch, visually, world, writing,