internal_sample_puzzle_1

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Across
  1. 6. Horizontal structural element
  2. 7. Incline of a surface
  3. 8. Underground passage
  4. 13. Soil and rock properties
  5. 14. Holding back soil
  6. 15. Construction components made off-site
  7. 16. Squeezing force
  8. 18. Force pulling objects downward
  9. 20. Watering agricultural land
  10. 21. Structural material
Down
  1. 1. Study of fluid behavior
  2. 2. Supports a structure
  3. 3. Earthquake-related
  4. 4. Drainage structure
  5. 5. Ability to allow fluid flow
  6. 6. Connects two areas
  7. 9. Road paving material
  8. 10. Waste disposal site
  9. 11. Leveling of terrain
  10. 12. Transporting fluids
  11. 17. Water barriers
  12. 19. Soil and rock removal