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2. Hydraulic rescue tool - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_rescue_tool

   The tools operate on the basis of the hydraulic fluid pressure of up to 720 bars (10,400 psi; 72 MPa), which must be provided from a power source. At present, there are three different means of generating pressure. The most commonly used source is a separate power unit, small petrol (gasoline) engine connected to a hydraulic pump.

3. Jack (device) - Wikipedia

   en.wikipedia.org/wiki/Jack_(device)

   The working principle of a hydraulic jack. In 1838 William Joseph Curtis filed a British patent for a hydraulic jack. [4] In 1851, inventor Richard Dudgeon was granted a patent for a "portable hydraulic press" – the hydraulic jack, a jack which proved to be vastly superior to the screw jacks in use at the time. [5]

4. Power tool - Wikipedia

   en.wikipedia.org/wiki/Power_tool

   A power tool is a tool that is actuated by an additional power source and mechanism other than the solely manual labor used with hand tools. The most common types of power tools use electric motors. Internal combustion engines and compressed air are also commonly used. Tools directly driven by animal power are not generally considered power tools.

5. Hydraulic machinery - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_machinery

   This usually means that hydraulic circuit analysis works best for long, thin tubes with discrete pumps, as found in chemical process flow systems or microscale devices. [4] [5] [6] The circuit comprises the following components: Active components Hydraulic power pack; Transmission lines Hydraulic hoses; Passive components Hydraulic cylinders

6. Bride 'Upset' After Groom's Friend Makes Joke When Wedding ...

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7. Porter-Cable - Wikipedia

   en.wikipedia.org/wiki/Porter-Cable

   In 1914, the company began to focus on power tools, starting with a line of lathes. Three years later, the company bought a plant on North Salina Street. In 1926, Porter-Cable began to develop a niche in portable electric power tools when Chief Engineer Art Emmons invented the portable electric belt sander, called the Take-About Sander.