Reciprocating saw

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A reciprocating saw is a type of handheld, small, machine-powered saw, in which the cutting action is achieved through a push-and-pull ("reciprocating") or back-and-forth motion of the blade. The original trade name, Sawzall, is often used in the United States, where Milwaukee Electric Tool first produced a tool of this type in 1951. The noun "Sawzall" is commonly applied to a smaller type of battery-powered or line powered handheld saw used in construction and demolition work, as well as in gardening and the pruning of larger trees or plants. This type of saw, also known as a hognose, recip saw, or sawsaw, has a large blade, resembling that of a jigsaw, and a handle oriented to allow the saw to be used comfortably on vertical surfaces. The typical design of this tool has a foot at the base of the blade, also similar to that of a jigsaw. The user holds or rests the foot on the surface being cut, thus countering the tendency of the blade to push away from or pull towards the cut as it travels through its movement.