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Diagram of a structure featuring plastic hinges. In the structural engineering beam theory, plastic hinge is the deformation of a section of a beam where plastic bending occurs. [1] In earthquake engineering plastic hinge is also a type of energy damping device allowing plastic rotation [deformation] of an otherwise rigid column connection. [2]
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Main article: Banderole A small flag or streamer carried on the lance of a knight, or a long, narrow flag flown from the masthead of a ship. Banner Main article: Banner Generically, a synonym for a flag of any kind, and in heraldry specifically, a square or rectangular flag whose design is identical to the shield of a coat of arms ; also denominated a banner of arms. Burgee Main article ...
To honor our veterans, as a Memorial Day, Flag Day, or Fourth of July commemoration, or just as a general act of patriotism, many American motorists choose to display the Stars and Stripes as a ...
The flag should never touch anything physically beneath it. [9] An urban myth claimed that if the flag touched the ground, it had to be destroyed under the Flag Code; however, it has been affirmed by the American Legion and state governments that this is not the case. [10] [11] The flag should never be used as wearing apparel, bedding or drapery.
An ornate brass door hinge A barrel hinge. A hinge is a mechanical bearing that connects two solid objects, typically allowing only a limited angle of rotation between them. Two objects connected by an ideal hinge rotate relative to each other about a fixed axis of rotation, with all other translations or rotations prevented; thus a hinge has one degree of freedom.
A living hinge or integral hinge is a thin flexible hinge (flexure bearing).It is made from the same material as the two rigid pieces it connects. It is typically thinned or cut to allow the rigid pieces to bend along the line of the hinge.
Diagram showing the construction of a typical leaded hub joint. Cast iron piping was traditionally made with one "spigot" end (plain, which was cut to length as needed) and one "socket" or "hub" end (cup-shaped). The larger-diameter hub was also called a "bell" because of its shape.