Ключевые слова: accessibility, alphabet, background, blind, blindness, book, braille, closeup, communicate, communication, day, disability, disabled, education, embossed, finger, hand, handicapped, health, impairment, international, language, learning, page, paper, people, person, read, reading, school, script, sheet, sign, student, study, studying, symbol, system, text, touch, visual, white, world, written,