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  2. Hydraulic rescue tool - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_rescue_tool

    A hydraulic spreader in use, seen here widening a window on the door of a Volkswagen Golf Mk2 to allow fire crews access into the vehicle. The Hurst Rescue Tool was invented by George Hurst, circa 1961, after he viewed a stock car race accident in which it took workers over an hour to remove an injured driver from his car.

  3. Crusher - Wikipedia

    en.wikipedia.org/wiki/Crusher

    A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, sand or rock dust.. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more easily disposed of or recycled, or to reduce the size of a solid mix of raw materials (as in rock ore), so that pieces of different composition can be differentiated.

  4. Bucket crusher - Wikipedia

    en.wikipedia.org/wiki/Bucket_crusher

    Bucket crusher from inside Excavator with attached bucket crusher breaking demolished walls. A bucket crusher or crusher bucket is a type of jaw crusher. It's an attached tool for excavators for built-in crushing construction waste and demolition materials. It has the design of a shovel, which is open at the rear for releasing the shredded ...

  5. Shear (sheet metal) - Wikipedia

    en.wikipedia.org/wiki/Shear_(sheet_metal)

    An alligator shear, historically known as a lever shear and sometimes as a crocodile shear, is a metal-cutting shear with a hinged jaw, powered by a flywheel or hydraulic cylinder. Alligator shears are generally set up as stand-alone shears; however, there are types for excavators. The jaw size can range from 4 to 36 in (100 to 910 mm) long.

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  7. Allis-Chalmers - Wikipedia

    en.wikipedia.org/wiki/Allis-Chalmers

    Allis Chalmers, during the period 1930–1965 and beyond, manufactured and marketed an extensive line of ore crushing equipment for the mining industry [49] In 1965, Allis-Chalmers built "Big Allis", or Ravenswood No. 3, the biggest generator in New York. It is located in Queens, has an output of 1000 MW, [50] and remains operational.

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  9. Car crusher - Wikipedia

    en.wikipedia.org/wiki/Car_crusher

    As a condensed version of a standard car crusher, a mobile car crusher has a smaller opening with lower output, so it can crush only smaller sized, C-class cars. This machine is mobile as a result of its dual functions: a travel mode for highways, which is when the hydraulic cylinder guiding posts are lowered, and a working mode, when the ...