structures

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Across
  1. 2. stretching or straining
  2. 3. type of bridge with a curved structure
  3. 7. mass or weight to be carried
  4. 8. point at which something rests in a level position, where something balances
  5. 9. framework of joined triangles
  6. 10. type of bridge hung on cables
  7. 12. anything made up of parts arranged together
  8. 13. piece of metal or wood placed at an angle to something for a support
  9. 14. use of strength to change motion
  10. 15. type of bridge with a beam between pillars
Down
  1. 1. the ability to maintain balance and stay in a the same position
  2. 4. act of squeezing or forcing tightly together
  3. 5. bar used to lift a heavy object
  4. 6. centre of gravity, where something balances
  5. 9. cord or rope to secure
  6. 10. the ability to withstand forces that break or change the shape of an object
  7. 11. support from where a lever turns when it lefts something