Mean Machines?

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Across
  1. 5. a small device or machine with a particular purpose
  2. 6. made to operate by machines or computers in order to reduce the work done by humans
  3. 11. to move slowly, quietly, and carefully, usually in order to avoid being noticed
  4. 12. a new plan or process to achieve something or solve a problem
  5. 13. to spend time considering a possible future action, or to consider one particular thing for a long time in a serious and quiet way
  6. 16. causing or wanting to cause harm or evil
  7. 18. an act of opposition, sometimes using violence, by many people in one area of a country against those who are in power
  8. 20. a short period of doing a particular, usually enjoyable, activity much more than is usual
Down
  1. 1. speech or writing intended to be effective and influence people
  2. 2. to cause something to be not straight or exact; to twist or distort
  3. 3. intended to harm or upset other people
  4. 4. to fail to work or operate correctly
  5. 7. to control something or someone to your advantage, often unfairly or dishonestly
  6. 8. to represent or show something in a picture or story
  7. 9. a secret aim or reason for doing something
  8. 10. something that is likely to cause harm
  9. 14. liking something a lot
  10. 15. a description of possible actions or events in the future
  11. 17. a feeling of extreme excitement, usually caused by something pleasant
  12. 19. intended as a joke and not said seriously