enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Lewis (lifting appliance) - Wikipedia

    en.wikipedia.org/wiki/Lewis_(lifting_appliance)

    A manual kerb lifter is a large, adjustable pair of tongs, made with a pair of handles so that two people can manoeuvre heavy blocks of stone into position. A mechanical kerb lifter can also be made to fit mechanical lifters like forklifts or crane-trucks so that larger stones can be placed.

  3. Rail fastening system - Wikipedia

    en.wikipedia.org/wiki/Rail_fastening_system

    Manual hole drilling and spike or screw insertion and removal have been replaced by semi-automated or automated machines, which are driven electrically, by pneumatics, by hydraulics, or are powered by a two-stroke engine. Machines that remove spikes are called spike pullers. [32] [33] [34]

  4. Clamp (tool) - Wikipedia

    en.wikipedia.org/wiki/Clamp_(tool)

    Upper row: F-clamp or bar clamp, one-handed bar clamp ("Quick Grip"), wooden handscrew; Lower row : spring clamp, C-clamp (G-clamp ), wooden cam clamp A clamp is a fastening device used to hold or secure objects tightly together to prevent movement or separation through the application of inward pressure .

  5. C-clamp - Wikipedia

    en.wikipedia.org/wiki/C-clamp

    A C-clamp or G-clamp or G-cramp is a type of clamp device typically used to hold a wood or metal workpiece, and often used in, but are not limited to, carpentry and welding. . Often believed that these clamps are called "C" clamps because of their C-shaped frame, or also often called C-clamps or G-clamps [1] because including the screw part, they are shaped like an uppercase lette

  6. Torque wrench - Wikipedia

    en.wikipedia.org/wiki/Torque_wrench

    A click torque wrench. A torque wrench is a tool used to apply a specific torque to a fastener such as a nut, bolt, or lag screw.It is usually in the form of a socket wrench with an indicating scale, or an internal mechanism which will indicate (as by 'clicking', a specific movement of the tool handle in relation to the tool head) when a specified (adjustable) torque value has been reached ...

  7. Glossary of mechanical engineering - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mechanical...

    An NC machine alters a blank piece of material (metal, plastic, wood, ceramic, or composite) to meet precise specifications by following programmed instructions and without a manual operator. Coefficient of thermal expansion – describes how the size of an object changes with a change in temperature. Specifically, it measures the fractional ...

  8. The Democratic Party's leadership crisis: 'Don't know' and ...

    www.aol.com/democratic-partys-leadership-crisis...

    A role for independents. Let’s start with the 19% of voters who responded “nobody.” As for the “nobody” retort, as you might expect, more Republicans (22%) gave this response, but 26% of ...

  9. Grip (occupation) - Wikipedia

    en.wikipedia.org/wiki/Grip_(occupation)

    Mafer Clamp – Featuring one flat and one v-notched jaw, both with padded grip surfaces, the clamp is used to attach equipment to an array of irregular surface, such as furniture. A clapperboard in use. Movie Slate – Clapperboard: A board placed in front of a camera at the beginning, and sometimes at the end, of each take of each scene. The ...