Engine

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Across
  1. 4. = It stores rotational energy and smooths engine motion.
  2. 7. = It removes impurities from the engine oil.
  3. 11. = It forces more air into the engine for extra power.
  4. 12. = It moves up and down inside the cylinder.
  5. 13. = It stores the engine oil.
  6. 15. = The machine that converts fuel into mechanical power.
  7. 18. = It seals the space between engine parts.
  8. 19. = It cleans the air entering the engine.
  9. 20. = It synchronizes the crankshaft and camshaft.
Down
  1. 1. = It provides electrical power to start the engine.
  2. 2. = It charges the battery while the engine runs.
  3. 3. = It opens to let air in or exhaust gases out.
  4. 5. = It cools the engine.
  5. 6. = It turns the engine on when you start the car.
  6. 8. = It creates the spark in a gasoline engine.
  7. 9. = It converts piston movement into rotation.
  8. 10. = The chamber where combustion takes place.
  9. 14. = It controls the opening and closing of valves.
  10. 16. = It sprays fuel into the engine.
  11. 17. = It connects the piston to the crankshaft.