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    A method of operating a crane or hoist by remote means using a portable transmitter to communicate to a crane mounted receiver.

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    As defined by the Nuclear Regulatory Commission: "Radioactive materials at the end of a useful life cycle or in a product that is no longer useful and should be properly disposed of."

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    The maximum load which the crane is designed to handle safely.

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    Terminology used to describe the path of the hoist wire rope as it pays off the hoist drum and wraps around the various upper and lower sheaves.

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    A method of controlling speed in which electrical energy generated by the motor from an overhauling load is fed back into the power system.

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    A function which tends to maintain constant motor speed for any load for a given speed setting of the controller.

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    A crane controlled by an operator not in a pulpit or in the cab attached to the crane, by any method other than pendant or rope control.

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    Rating established by NEMA which classifies resistors according to percent of full load current on first point and duty cycle.

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    A component of a host drum designed to facilitate the proper position of the wire rope as it pays off the drum.

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    An axle which rotates with the wheel, and is supported by a bearing at each end.

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    Physical stops welded to the column to limit the rotation of the jib. These stops are generally field mounted.

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    A sheave which rotates as the hook is raised or lowered.

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    The rails, beams, brackets and framework on which the crane operates.

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    The sliding contact device that draws power from the fixed runway conductor system and carries it to the crane.

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    The main conductors mounted on or parallel to the runway which supplies current to the crane.

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    The rail supported by the runway beams on which the bridge travels.