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  2. craigslist - Wikipedia

    en.wikipedia.org/wiki/Craigslist

    This is an accepted version of this page This is the latest accepted revision, reviewed on 12 February 2025. Classified advertisements website Craigslist Inc. Logo used since 1995 Screenshot of the main page on January 26, 2008 Type of business Private Type of site Classifieds, forums Available in English, French, German, Dutch, Spanish, Italian, Portuguese Founded 1995 ; 30 years ago (1995 ...

  3. The Mercury News - Wikipedia

    en.wikipedia.org/wiki/The_Mercury_News

    The New Almaden mercury mine near San Jose. The paper's name derives from the San Jose Mercury and San Jose News, two daily newspapers that merged to form the Mercury News. The San Jose Mercury ' s name was a play on words. The word "mercury" refers to the importance of the mercury industry during the California Gold Rush.

  4. Craig Newmark - Wikipedia

    en.wikipedia.org/wiki/Craig_Newmark

    Newmark launched craigslist.org in 1996, where people could exchange information, mostly without charge. [12] It started as a newsletter about San Francisco events. [ 14 ] He operated it as a hobby while continuing to work as a software engineer until 1999 when he incorporated Craigslist as a private for-profit company. [ 15 ]

  5. O-ring boss seal - Wikipedia

    en.wikipedia.org/wiki/O-ring_boss_seal

    An o-ring boss seal is a technique for joining two fluid-carrying pipes, hoses, or tubing. In an o-ring boss (abbreviated ORB) system, a male-threaded part is inserted into a female-threaded part, providing a mechanical seal. This system differs from others in that a nut is tightened over an o-ring in a chamfered area, creating a fluid-tight seal.

  6. Boss (engineering) - Wikipedia

    en.wikipedia.org/wiki/Boss_(engineering)

    In engineering, a boss is a protruding feature on a workpiece. [1] A common use for a boss is to locate one object within a pocket or hole of another object. For instance, some motors use a precisely machined boss on the front face to locate it on the mating part.

  7. Jury mast knot - Wikipedia

    en.wikipedia.org/wiki/Jury_mast_knot

    The jury mast knot (or masthead knot) is traditionally presented as to be used for jury rigging a temporary mast on a sailboat or ship after the original one has been lost; some authors claim a use for derrick poles --but there is no good evidence for actual use.

  8. Masthead rig - Wikipedia

    en.wikipedia.org/wiki/Masthead_rig

    A UFO 34 an example of a masthead-rigged yacht. A masthead rig on a sailing vessel consists of a forestay and backstay both attached at the top of the mast. [1] The Bermuda rig can be split into two groups: the masthead rig and the fractional rig. The masthead rig has larger and more headsails, and a smaller mainsail, compared to the fractional ...

  9. USNS Rappahannock - Wikipedia

    en.wikipedia.org/wiki/USNS_Rappahannock

    Rappahannock, the eighteenth ship and final ship of the Henry J. Kaiser class and the second U.S. Navy ship named for the Rappahannock River in Virginia, was laid down at Avondale Shipyard, Inc., at New Orleans, Louisiana, on 29 March 1992 and launched on 14 January 1995.