Science, tecnology, and culture

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Across
  1. 3. many nacional or municipal traditions put together
  2. 6. A telephone exchange is a telecommunications system used in the public switched
  3. 7. It is the meaningful exchange of information between two or more living creatures
Down
  1. 1. a way to get to far away or close places
  2. 2. has to do with inventions, discoveries, or quimics
  3. 4. is a motion picture film camera
  4. 5. devices that work automatically