Engineering Towers Crossword Puzzle

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Across
  1. 5. The structure on the outside which you are supposed to see.
  2. 7. A squeezing pressure.
  3. 8. An arch or part of a bridge between piers or supports.
  4. 9. A structure built to support pressure of a structure(like an arch or span).
  5. 10. A curved symmetrical structure, normally supporting the weight of a bridge or roof.
  6. 11. An engineer who designs and maintains roads, bridges, and similar structures.
Down
  1. 1. A structure which is meant to support or suspend something.
  2. 2. The middle stone of an arch, holding it together.
  3. 3. A structure which supports the main structure, which you don't see.
  4. 4. A structure made out of triangles, made to support a structure.
  5. 6. A stretching pressure