| 21. | It powered the docks hydraulic system of cranes, bridges and locks.
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| 22. | The unit runs the shuttle's hydraulic systems on landing, but there are several backups.
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| 23. | He's now a principal engineer in mechanical / hydraulic systems for Boeing's Everett division.
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| 24. | In other power steering systems, electric motors provide the assistance instead of hydraulic systems.
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| 25. | The hydraulic system is necessary to move flight control surfaces.
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| 26. | Then they shot out his hydraulic system and three out of his four engines.
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| 27. | These were replaced by hydraulic systems and electric motor-driven systems.
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| 28. | Another component of the hydraulic system is the propulsion motor.
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| 29. | The hydraulic system was a key factor in the crash.
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| 30. | Many also have hydraulic systems that allow the car to rear up or bounce.
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