Internal Combustion Engine

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Across
  1. 3. acronym for Internal Combustion Engine
  2. 4. the second step of the Four-Stroke cycle
  3. 7. a type of motor replacing Internal Combustion Engines
  4. 8. the Gilded Age was an era of massive .... growth in the United States
  5. 9. the last step of the Four-Stroke cycle
  6. 10. where Jean Joseph Etienne Lenoir was from
Down
  1. 1. the name Otto named his four-stroke cycle engine
  2. 2. a liquid used to function the engine
  3. 3. the first step of the Four-Stroke cycle
  4. 5. the third step of the Four-Stroke cycle
  5. 6. where Nikolaus Otto was from