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A tail lift (also called a mobile dock leveler)〔http://www.atcomaart.com/pd/50536650566554486570/hydraulic-electric-and-manual-lifts/tail-lift.aspx〕 is a mechanical device permanently fitted to the back of van or lorry, and is designed to facilitate the materials handling of goods from ground level or a loading dock to the level of the load bed of the vehicle, or vice versa. The majority of tail lifts are hydraulic or pneumatic in operation, although they can be mechanical, and are controlled by an operator using an electric relay switch. The use of a tail lift can obviate the need to use machinery such as a forklift truck in order to load heavy items on to a vehicle, or can be used to bridge the difference in height between a loading dock and the vehicle load bed. Tail lifts are available for many sizes of vehicle, from standard vans to articulated lorries, and standard models can lift anywhere up to 2500kg.〔(【引用サイトリンク】title=Zepro Tail lifts product history )〕 ==Types== Tail lifts can be categorized by their physical arrangement vis-a-vis the vehicle to which they are attached. Tail lift types include Columns, Cantilevers, and Liftgates.〔(【引用サイトリンク】title=Zepro Tail lifts product history )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Tail lift」の詳細全文を読む スポンサード リンク
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