rack (and pinion) elevating mechanism

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Drill — For other uses, see Drill (disambiguation). Drill scheme A drill or drill motor is a tool fitted with a cutting tool attachment or driving tool attachment, usually a drill bit or driver bit, used for drilling holes in various materials or… … Wikipedia
Aerial work platform — A tracked AWP at a building site. An aerial work platform, also known as an aerial device or elevating work platform, is a mechanical device used to provide temporary access for people or equipment to inaccessible areas, usually at height. There… … Wikipedia

Словари и энциклопедии на Академике