Ключевые слова: accessibility, adult, aged, alphabet, background, blind, blindness, book, braille, care, closeup, day, disabled, education, embossed, female, finger, handicapped, hands, health, impairment, international, invalid, language, literature, loss, mature, middle, page, paper, person, reading, script, senior, senses, sheet, sign, symbol, system, text, textured, touch, visual, woman, world, written,