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  2. M30 mortar - Wikipedia

    en.wikipedia.org/wiki/M30_mortar

    The M30 system weighs 305 kilograms (672 lb) including the complete mortar with a welded steel rotator, M24A1 base plate, and M53 sight. A point of interest in the design of this mortar is the rifled barrel. A rifled barrel requires the round to be a very tight fit to the bore in order for the rifling to engage the round and impart rotation to it.

  3. M252 mortar - Wikipedia

    en.wikipedia.org/wiki/M252_mortar

    The M252 81 mm medium weight mortar is a British-designed smooth bore, muzzle-loading, high-angle-of-fire weapon used for long-range indirect fire support to light infantry, air assault, and airborne units across the entire front of a battalion zone of influence.

  4. Load-bearing wall - Wikipedia

    en.wikipedia.org/wiki/Load-bearing_wall

    The base plate or floor plate is the bottom attachment point for the wall studs. Using a top plate and a bottom plate, a wall can be constructed while it lies on its side, allowing for end-nailing of the studs between two plates, and then the finished wall can be tipped up vertically into place atop the wall sill; this not only improves ...

  5. Mortar (weapon) - Wikipedia

    en.wikipedia.org/wiki/Mortar_(weapon)

    The Stokes mortar was a simple muzzle-loaded weapon, consisting of a smoothbore metal tube fixed to a base plate (to absorb recoil) with a lightweight bipod mount. When a mortar bomb was dropped into the tube, an impact sensitive primer in the base of the bomb would make contact with a firing pin at the base of the tube and detonate, firing the ...

  6. Structural steel - Wikipedia

    en.wikipedia.org/wiki/Structural_steel

    A441 – structural shapes and plates (Superseded by A572) A572 – structural shapes and plates. A618 – structural pipe and tubing. A992 – Possible applications are W or S I-Beams. A913 – Quenched and Self Tempered (QST) W shapes. A270 – structural shapes and plates.

  7. 10 Best Weight Plate Exercises for a Slimmer Stomach - AOL

    www.aol.com/10-best-weight-plate-exercises...

    Grab your weight plates and get ready for plate goblet squats. Begin standing tall, holding a weight plate in both hands at chest height. Place your feet just outside shoulder-width.

  8. 82-PM-41 - Wikipedia

    en.wikipedia.org/wiki/82-PM-41

    It differed from the Model 1937 by the presence of a removable wheel base, by the arched construction base plate (as in 107-mm and 120-mm mortars), and also a different two-legged construction. Wheels were slipped over the semi-axis of the bipod feet and removed during firing.

  9. Wall plate - Wikipedia

    en.wikipedia.org/wiki/Wall_plate

    A plate in timber framing is "A piece of Timber upon which some considerable weight is framed...Hence Ground-Plate...Window-plate [obsolete]..." etc. [1] Also called a wall plate, [2] raising plate, [3] or top plate, [4] An exception to the use of the term plate for a large, load-bearing timber in a wall is the bressummer, a timber supporting a wall over a wall opening (see also: lintel).