Towers Crossword by Sathvik Redrouthu [A 5-6]

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Across
  1. 2. A structure made of repeated triangles
  2. 4. A curved structure that is used to span another one
  3. 8. Structures with beams (planes) and cables supporting them
  4. 10. A stone at the bottom of an arch
  5. 11. A force pulling a structure apart
Down
  1. 1. A supporting structure
  2. 3. A structure made on another one
  3. 5. An engineer who designs bridges, roads, etc.
  4. 6. A structure built to support the pressure of an arch
  5. 7. A force pushing in on a structure
  6. 9. To extend from end to end