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cherry picker
A cherry picker (also known as an elevated work platform, boom lift, man lift, basket crane or hydraladder) is a type of aerial work platform that consists of a platform or bucket at the end of a hydraulic lifting system.
== Design ==
It is often mounted on the back of a large vehicle such as a truck (in which case it may also be called a bucket truck or a "truck mount"), it can also be mounted on a flat bed or paneled van (often referred to as a "van mount"), or sometimes on a stand-alone trailer or self-moving platform. The bucket is designed for a person to stand in and work from. Often a duplicate set of controls that are used to manipulate the position of the bucket will be available to the person in the bucket, allowing the operator to position himself. The lifting arms of some cherry pickers are capable of telescoping to adjust the reach of the device, usually with automatic safety controls to prevent tipping over. Articulated boom lifts are more appropriate than stick booms when operating in tight spaces or when clearing nearby obstacles is necessary. Cherry pickers can either be electrically powered using batteries or powered with a diesel engine. There are advantages and disadvantages associated with both types of power.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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