ReadOasis Step 3

Braille by Mario Sánchez Bueno

Breaking News English has published an interesting story about a teenager who has made an inexpensive printer for the blind.
A 13-year-old has made a cheap machine that helps blind people read. The machine uses Braille - small bumps that people touch to read the letters. Machines that make these small bumps into words, sentences and paragraphs are very expensive. They usuall...