The Great Invention

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Across
  1. 3. invention which invented by Volta in 1799 in Italy
  2. 4. drug use for prevent pineumonia
  3. 6. the drug that was being mass produced by 1994
  4. 7. A horizon defining invention
  5. 8. invention that we use for communication
Down
  1. 1. German inventer Johannes Gutenberg invented the ... Between 1440 and 1450
  2. 2. Which used for cars🚗
  3. 5. the ... Is global system of interconnected computer networks that used for billions of people