Inventions

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Across
  1. 2. an object or a machine that has been invented for a particular purpose.
  2. 5. the machines and electronic parts in a computer or other electronic system
  3. 6. a test done in order to discover if something works.
Down
  1. 1. the programs used by a computer for doing particular jobs.
  2. 3. the things that are needed for a particular purpose or activity.
  3. 4. a room or building equipped for scientific experiments.