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  2. List of components of oil drilling rigs - Wikipedia

    en.wikipedia.org/wiki/List_of_components_of_oil...

    Rotary table (#20) rotates, along with its constituent parts, the kelly and kelly bushing, the drill string and the attached tools and bit. Shale shaker (#2) separates drill cuttings from the drilling fluid before it is pumped back down the wellbore. Stand (#16) is a section of 2 or 3 joints of drill pipe connected and stood upright in the ...

  3. Stuffing box - Wikipedia

    en.wikipedia.org/wiki/Stuffing_box

    A gland is a general type of stuffing box, used to seal a rotating or reciprocating shaft against a fluid. The most common example is in the head of a tap where the gland is usually packed with string which has been soaked in tallow or similar grease.

  4. Tank steering systems - Wikipedia

    en.wikipedia.org/wiki/Tank_steering_systems

    This makes the tank slow down, even if the brake is not applied. If the tank is climbing, or in soft terrain, forward motion may stop entirely. Another disadvantage is that the brakes constantly dissipate vast amounts of heat when steering, which is very power-inefficient. The brakes suitable to steer a large vehicle are also impracticably ...

  5. Rudder - Wikipedia

    en.wikipedia.org/wiki/Rudder

    A rudder is a primary control surface used to steer a ship, boat, submarine, hovercraft, airship, or other vehicle that moves through a fluid medium (usually air or water). On an airplane, the rudder is used primarily to counter adverse yaw and p-factor and is not the primary control used to turn the airplane.

  6. 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.

  7. Oprah Just Dropped Some *Genius* Stocking Stuffer Ideas in ...

    www.aol.com/oprah-just-dropped-genius-stocking...

    Oprah's iconic 2023 Favorite Things List just went live with some of her best picks ever, including stocking stuffer ideas like jewelry, makeup, and food.

  8. Whipstaff - Wikipedia

    en.wikipedia.org/wiki/Whipstaff

    This arrangement, however, meant that the helmsman still had very limited range of control of the tiller's movement (no more than 15° to either side [2]: p.174 ) and he had to steer either with extremely limited views of the sails or sometimes dependent entirely upon the conn for direction. Emphasis had to be placed on the use of sails to ...

  9. Skid-steer loader - Wikipedia

    en.wikipedia.org/wiki/Skid-steer_loader

    Skid steer loaders have very good maneuverability and traction but typically lower lift capacity than forklifts. Skid steer loaders excel at snow removal, especially in smaller parking lots where maneuverability around existing cars, light poles, and curbs is an issue with larger snow plows. Skid steers also have the ability to actually remove ...