industry and inventions

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Across
  1. 6. lower cost production and advertising
  2. 7. inventions helped mostly deaf people.
  3. 9. Chicago bulls
  4. 11. steel,automobiles
  5. 12. the light bulb and phonograph, movie camera,and movie camera
  6. 13. Pittsburgh steelers
  7. 14. owner of Carnegie steel
  8. 15. pistons
Down
  1. 1. energy tower
  2. 2. dollars that help the industry get bigger
  3. 3. controlled the new York and Harlem railroad,the Hudson railroad, and the new York city central
  4. 4. labor,low wages,long hours, unsafe working
  5. 5. controlled the first sustained flights in a power-driven airplane
  6. 8. captain of the oil company
  7. 10. captain of the automobile industryCornelius - controlled the new York city and Harlem railroad