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  2. Dual coupling - Wikipedia

    en.wikipedia.org/wiki/Dual_coupling

    No chain is provided on dual-coupled vehicles, since the chain on the other vehicle can be used when the knuckle coupler is out of the way (down). Inter-stock coupling was with the automatic coupler (with the buffers retracted), while connection to the locomotive was with the buffer-and-chain system with a screw coupler.

  3. Coupling (piping) - Wikipedia

    en.wikipedia.org/wiki/Coupling_(piping)

    Alternatively it is a short length of pipe with two female National pipe threads (NPT) (in North American terms, a coupler is a double female while a nipple is double male) or two male or female British standard pipe threads. If the two ends of a coupling are of different standards or joining methods, the coupling is called an adapter. Examples ...

  4. Hose coupling - Wikipedia

    en.wikipedia.org/wiki/Hose_coupling

    Side view of a 1.5 to 2.5 inches (38 to 64 mm) adapter. National Hose thread (NH), also known as National Standard Thread (NST). It is the most common type of fire hose coupling used in the United States. The male and female straight (non-tapered) threads screw together and the connection is sealed with a gasket.

  5. Tightlock coupling - Wikipedia

    en.wikipedia.org/wiki/Tightlock_coupling

    On a standard-gauge railway, the nominal mounting height for the coupler (rail top to coupler center) is 33 inches (838 mm), with a 34 + 1 ⁄ 2 ± 1 inch (876 ± 25 mm) maximum height on empty cars and 31 + 1 ⁄ 2 ± 1 inch (800 ± 25 mm) minimum height on loaded cars.

  6. eBay - Wikipedia

    en.wikipedia.org/wiki/EBay

    Auctions were held annually in 21 years between 2000 and 2022, with no auctions in 2020 and 2021 due to the COVID-19 pandemic. In total, auctions on eBay for lunch with Buffett raised $53.2 million for the Glide Foundation, with winning bids ranging from $2 million to as high as $19 million for the final auction in 2022.

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  8. Coupling - Wikipedia

    en.wikipedia.org/wiki/Coupling

    Animated Oldham coupler. An Oldham coupling has three discs, one coupled to the input, one coupled to the output, and a middle disc that is joined to the first two by tongue and groove. The tongue and groove on one side is perpendicular to the tongue and groove on the other.

  9. Play Just Words Online for Free - AOL.com

    www.aol.com/games/play/masque-publishing/just-words

    If you love Scrabble, you'll love the wonderful word game fun of Just Words. Play Just Words free online!