Trade School vs 4yr College Crossword Lab

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Across
  1. 1. the activity or business of promoting and selling products or services
  2. 3. to relieve stress and conditions associated with it, such as tension headaches
  3. 4. the process of ensuring that an aircraft is safe and reliable for flight through regular inspections, repairs, and replacements
  4. 6. the process of planning, organizing, directing, and controlling the activities of a business or organization to achieve its goals and objectives
  5. 7. the data related to a person's medical history
  6. 10. heating, ventilation, and air conditioning
  7. 12. the study of machines, equipment, technology and systems
  8. 18. an interconnected set of components used to collect, store, process and transmit data and digital information
  9. 19. the personnel of a business or organization
  10. 20. a trained person whose job is to improve the appearance of a customer's face, hair, or skin using makeup and beauty treatments
Down
  1. 2. the study or use of systems
  2. 5. the system that prescribes the fate of the criminal
  3. 8. a mechanic who services and repairs automobiles
  4. 9. takes patients' vital signs, such as their blood pressure
  5. 11. (metal pieces or parts) by heating the surfaces to the point of melting using a blowtorch
  6. 13. Commercial Driver's License
  7. 14. the practice of protecting systems, networks, and programs from digital attacks
  8. 15. the preparation, cooking, plating, presentation, and service of food
  9. 16. the process of recording, classifying and summarizing financial transactions
  10. 17. handles several important tasks within the dentist's office