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  2. Wood warping - Wikipedia

    en.wikipedia.org/wiki/Wood_warping

    Wood slabs can also become warped as a result of insufficient support from underlying shelf hardware (commonly referred to as sagging or bowing). [2] The types of wood warping include: bow: a warp along the length of the face of the wood; crook: a warp along the length of the edge of the wood; kink: a localized crook, often due to a knot

  3. Angle bracket (fastener) - Wikipedia

    en.wikipedia.org/wiki/Angle_bracket_(fastener)

    An angle bracket or angle brace or angle cleat is an L-shaped fastener used to join two parts generally at a 90-degree angle. It is typically made of metal but it can also be made of wood or plastic. Angle brackets feature holes in them for screws. A typical example use of is a shelf bracket for mounting a shelf on a wall.

  4. Bracket (architecture) - Wikipedia

    en.wikipedia.org/wiki/Bracket_(architecture)

    A classically detailed bracket at the chapel of Greenwich Hospital, London Bracket for a shelf or hanging items. A bracket is a structural or decorative architectural element that projects from a wall, usually to carry weight and sometimes to "strengthen an angle". [1] [2] It can be made of wood, stone, plaster, metal, or other media.

  5. Gusset plate - Wikipedia

    en.wikipedia.org/wiki/Gusset_plate

    Gusset plates are usually either made from cold-rolled or galvanized steel, based upon their use.Galvanized steel offers more protection from rust, so this is usually used when the gusset plate is exposed to the elements.

  6. Section modulus - Wikipedia

    en.wikipedia.org/wiki/Section_modulus

    The plastic section modulus is used to calculate a cross-section's capacity to resist bending after yielding has occurred across the entire section. It is used for determining the plastic, or full moment, strength and is larger than the elastic section modulus, reflecting the section's strength beyond the elastic range.

  7. Covering a base - Wikipedia

    en.wikipedia.org/wiki/Covering_a_base

    On a force play, the fielder covering the base stands with one foot on that base. In general, the first baseman covers first base, the second baseman or shortstop covers second, the third baseman covers third, and the catcher covers home plate. However, on ground balls hit to the first baseman away from first base, the pitcher will cover first ...

  8. Spacers and standoffs - Wikipedia

    en.wikipedia.org/wiki/Spacers_and_standoffs

    Spacers can vary in size from microns to centimeters. They can be made of metal, plastic, glass, and other materials. Shapes include flat sheet, cylindrical and spherical. Two sizes of metal standoffs and one plastic standoff. The background depicts a standoff in use, holding a circuit board above a metal case.

  9. Anchor plate - Wikipedia

    en.wikipedia.org/wiki/Anchor_plate

    A stylized anchor plate in the cloister of the Church of St. Trophime, Arles (France). An anchor plate, floor plate [1] or wall washer is a large plate or washer connected to a tie rod or bolt.