| 11. | Typical features of laboratory rockers include variable speeds, and tilt angles.
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| 12. | Oilfield-Electric-Marine, Inc . manufactured variable speed AC motors and variable frequency drive systems.
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| 13. | He added brakes, variable speed settings and a coasting capability.
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| 14. | A variable speed limit applies to traffic in the tunnel.
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| 15. | The main applications are in variable speed motor drives, high power inverters and traction.
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| 16. | Equipment that contains variable speed motors can also cause problems.
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| 17. | A stall-regulated variable speed wind turbine has no pitching mechanism.
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| 18. | If many different speeds or continuously variable speeds are required, other methods are required.
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| 19. | Later, variable speed AC motors became available at reasonable prices.
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| 20. | All of the heads offer variable speeds, the earlier ones via a ball types.
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