Engineering Towers

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Across
  1. 3. the first part 4 letters of archer
  2. 4. an engineer that is civil
  3. 7. rhymes with fuss
  4. 10. super_______
  5. 11. it has stone in it
Down
  1. 1. the action of compressing
  2. 2. the first part is suspension
  3. 5. ____structure
  4. 6. rhymes with suspension
  5. 8. has "but" in it
  6. 9. remove the s and you get pan