Engineers

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Across
  1. 3. survey people
  2. 5. no wire.
  3. 7. relating to the study of the earth's physical structure and substance.
  4. 8. sound that's ultra
  5. 17. of, relating to, or involved in the cleaning, repairing, and maintenance work done by a janitor.
  6. 18. relating to chemistry
  7. 19. moving people and stuff
  8. 23. The chemical breakdown of a substance by bacteria.
  9. 24. relating to both biology and medicine.
  10. 25. robots
  11. 26. produce or provide (a natural, agricultural, or industrial product).
Down
  1. 1. They build houses.
  2. 2. prepares technical drawings and plans.
  3. 4. regulations and procedures intended to prevent accidents or injuries in workplaces or public environments.
  4. 6. The branch of engineering that specializes in the design, construction, and practical uses of electrical systems.
  5. 9. the use of laser light to control the motion of mechanical vibrations, usually micrometre- or nanometre-scale resonators.
  6. 10. the action of checking or proving the validity or accuracy of something.
  7. 11. They use geographic information systems, modeling software, and other computer programs to estimate wildlife populations and track the movements of animals.
  8. 12. x-ray fixer.
  9. 13. a discrete quantity of energy proportional in magnitude to the frequency of the radiation it represents.
  10. 14. relating to or characterized by industry.
  11. 15. fish and stuff.
  12. 16. oil
  13. 20. nukes.
  14. 21. all the visible features of an area of countryside or land are often considered in terms of their aesthetic appeal.
  15. 22. relating to or resulting from motion.