| 1. | Four independent hydraulic systems power all flight controls and the built-in airstairs.
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| 2. | The Curtiss-Electric propeller and the complex hydraulic system had frequent maintenance problems.
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| 3. | This helps reduce weight and simplifies the aircraft's braking and hydraulic systems.
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| 4. | The grit also destroyed the planes'avionics and hydraulic systems, the officials said.
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| 5. | At that time, the car's brakes and steering run on electro-hydraulic systems.
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| 6. | Due to the freezing temperatures, the hydraulic system onboard develops a problem.
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| 7. | All hydraulic systems with hydraulic pressure accumulators have a corresponding control valve.
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| 8. | In Germany and Finland, diesel-hydraulic systems have achieved high reliability in operation.
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| 9. | The hitch lifting arms are powered by the tractor's own hydraulic system.
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| 10. | The hydraulic system continued to operate under municipal ownership until December 1967.
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