Inventions

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Across
  1. 1. Tools designed to perform a specific function
  2. 4. The physical parts of a computer or machine
  3. 5. The tools and machines needed for a task
  4. 6. A place where scientific research and testing are done
Down
  1. 2. Programs that tell a computer what to do
  2. 3. A controlled test to discover or prove something