Early Inventions - _______

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Across
  1. 3. placing patients in a sleeplike state during surgery
  2. 4. someone who makes goods to sell
  3. 5. a window at the front of a car or other vehicle
  4. 7. noticeable or important
  5. 10. a seriousm unexpected, and often dangerous situation requiring immediate action
  6. 11. a thought or suggestion as to a possible course of action
  7. 13. able to withstand fire or great heat
  8. 14. a government authority or license conferring a right or title for a set period
Down
  1. 1. all the knowledge and equipment used in science
  2. 2. the purpose of something
  3. 6. a thing made or adapted for a particular purpose
  4. 8. the action of inventing something; a process or device
  5. 9. wearing shoes with sharp blades attached to move smoothly on ice
  6. 11. similar in every detail; exactly alike
  7. 12. made or invented