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A shelf (pl.: shelves) [1] is a flat, horizontal plane used for items that are displayed or stored in a home, business, store, or elsewhere. It is raised off the floor and often anchored to a wall , supported on its shorter length sides by brackets , or otherwise anchored to cabinetry by brackets, dowels , screws , or nails .
The shelf usually ends at a point of increasing slope [3] (called the shelf break). The sea floor below the break is the continental slope. [4] Below the slope is the continental rise, which finally merges into the deep ocean floor, the abyssal plain. [5] The continental shelf and the slope are part of the continental margin. [6]
Stone larders were designed to keep cold in the hottest weather. They had slate or marble shelves two or three inches thick. These shelves were wedged into thick stone walls. Fish or vegetables were laid directly onto the shelves and covered with muslin or handfuls of wet rushes were sprinkled under and around. [3]
Example of a bay. A bay is a basic unit of library shelving.Bays are bookcases about 3 feet (0.9 m) wide, arranged together in rows.. In modern practice, books are shelved from the top shelf to the bottom shelf in each bay, [1] but in historic libraries where the shelves in a bay are not adjustable, it is common for the lower shelves to be spaced to accommodate taller books, with each book ...
The Library of Congress bookstacks were designed and patented by Green. Although the structure was of cast iron, the shelves were made from strips of thin U section steel, designed to be as light as an equivalent pine shelf. The top surface of the U section was ground, polished and 'lacquered' (the constituents of the lacquer are not known).
Shelf (pl.: shelves) may refer to: Shelf (storage), a flat horizontal surface used for display and storage; Geology. Continental shelf, the extended perimeter of a ...
Shelf life is the length of time that a commodity may be stored without becoming unfit for use, consumption, or sale. [1] In other words, it might refer to whether a ...
The continental shelf is the relatively shallow water area found in proximity to continents; it is the portion of the continental margin that transitions from the shore out towards to ocean. Continental shelves are believed to make up 7% of the sea floor. [3] The width of continental shelves worldwide varies in the range of 0.03–1500 km. [4]