big Inventions of humanity

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Across
  1. 2. A revolutionary invention that made books and information more accessible.
  2. 5. "If you have trouble reading, _____ can make the words clearer."
Down
  1. 1. "Before computers, people used ______ to share ideas and stories."
  2. 3. "The _____ helped people move heavy things more easily."
  3. 4. Invention used for buying and selling goods and services.