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  2. List of railroad truck parts - Wikipedia

    en.wikipedia.org/wiki/List_of_railroad_truck_parts

    An axlebox, also known as a journal box in North America, is the mechanical subassembly on each end of the axles under a railway wagon, coach or locomotive; it contains bearings and thus transfers the wagon, coach or locomotive weight to the wheels and rails; the bearing design is typically oil-bathed plain bearings on older rolling stock, or roller bearings on newer rolling stock.

  3. Werner Co. - Wikipedia

    en.wikipedia.org/wiki/Werner_Co.

    Werner reported audited net sales of $472.3 million for the year ending Dec. 31, 2005. As of March 31, 2006, Werner reported assets of $201 million and liabilities of $473.4 million. [ 3 ] Werner Co. filed for Chapter 11 protection under the bankruptcy code in Delaware on June 12, 2006, primarily due to excessive leverage, significant increases ...

  4. Ladder - Wikipedia

    en.wikipedia.org/wiki/Ladder

    An extension ladder. A ladder is a vertical or inclined set of rungs or steps commonly used for climbing or descending. There are two types: rigid ladders that are self-supporting or that may be leaned against a vertical surface such as a wall, and rollable ladders, such as those made of rope or aluminium, that may be hung from the top.

  5. Waterladder pump - Wikipedia

    en.wikipedia.org/wiki/Waterladder_pump

    The water ladder was built as an alternative to the paddle wheel to get around the problem that to lift water to a greater height, a bigger wheel is needed. [1] Despite the emergence of new pumps that operate on other principles, the water ladder remains an important tool as some of its other benefits are that they can be built and repaired easily at a very low cost.

  6. List of The Woodwright's Shop episodes - Wikipedia

    en.wikipedia.org/wiki/List_of_The_Woodwright's...

    One of the most important pieces of equipment in a complete hand tool woodworking shop is a shaving horse. In this second of two segments, join Roy Underhill as he finishes construction of his shaving horse and demonstrates how to use a spokeshave or draw knife to work wood accurately and effectively.

  7. Automation - Wikipedia

    en.wikipedia.org/wiki/Automation

    Steam engines promoted automation through the need to control engine speed and power.. The introduction of prime movers, or self-driven machines advanced grain mills, furnaces, boilers, and the steam engine created a new requirement for automatic control systems including temperature regulators (invented in 1624; see Cornelius Drebbel), pressure regulators (1681), float regulators (1700) and ...

  8. Railway electrification - Wikipedia

    en.wikipedia.org/wiki/Railway_electrification

    Parts of the original electrified network still operate at 25 Hz, with voltage boosted to 12 kV, while others were converted to 12.5 or 25 kV 60 Hz. In the UK, the London, Brighton and South Coast Railway pioneered overhead electrification of its suburban lines in London, London Bridge to Victoria being opened to traffic on 1 December 1909.

  9. Light rail - Wikipedia

    en.wikipedia.org/wiki/Light_rail

    In Los Angeles, expansion of mass transit has been driven in large part by light rail.. Light rail (or light rail transit, abbreviated to LRT) is a form of passenger urban rail transit that uses rolling stock derived from tram technology [1] while also having some features from heavy rapid transit.

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