Tech Ed TOWERS!!!(!)

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Across
  1. 2. a force caused when something is condensed or pushed together
  2. 4. and upward extension of a structure above ground level
  3. 6. structures at both ends of bridges that support an arch or arches
  4. 7. an architectural object the hangs above the area of intervene
  5. 8. the force caused when something is pulled away/pulled apart
  6. 9. a curved vertical structure
Down
  1. 1. a wedge shaped stone piece at the highest point of an arch
  2. 2. design, build, supervise, and maintain structures
  3. 3. the lower part of a building that transmits loads into subsoil
  4. 5. a pattern made of triangles that distributes strain
  5. 7. the distance between two supports for a structure