Quizzical quest

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Across
  1. 3. natural unprocessed material that
  2. 6. River
  3. 7. hydroelectric
  4. 10. space between two lines or planes
  5. 11. shapes in
  6. 12. applied laterally to the beam's axis. Its
  7. 13. supply held in reserve for futureUse -Stockpile
  8. 15. process of putting parts together to
  9. 20. element that primarily resists
  10. 21. short-Pollution
  11. 22. US
  12. 27. of deflection is primarily by bending-Beam
  13. 28. chess
  14. 29. electrical
  15. 31. reproduction.-Amplifier
  16. 33. word for making something happen by thinking about it -Manifesting
  17. 34. environment,
  18. 35. to protect
  19. 36. etc.-Designer
Down
  1. 1. of electrical signals, used chiefly in
  2. 2. scientist's
  3. 3. behind-Trail
  4. 4. for bridges,
  5. 5. to
  6. 8. to
  7. 9. the least
  8. 14. One who creates
  9. 16. intersect-Angle
  10. 17. creativity activity that helps you
  11. 18. for
  12. 19. a machine or other product. -Assembly
  13. 23. a large number of potential solutions
  14. 24. network
  15. 25. electronic device for increasing the
  16. 26. used in a manufacturing process- Raw Material
  17. 30. Washington,
  18. 32. on the
  19. 37. a problem or challenge.-Brainstorming