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The origin of the term arris is from the Latin arista, meaning the beard or the ear of grain or the bone of a fish. See also arête. An arris rail is a structural element, whose cross section is a 45 degree isosceles right angled triangle. Arris rails are usually made of wood, and are manufactured by cutting a length of square-section timber ...
Arris A sharp edge created when two surfaces converge; this includes the raised edge between two flutes on a column or pilaster, if that edge is sharp. Arris Rail A type of rail, often wooden, with a cross-section resembling an isosceles triangle. [1] Arrowslit A thin vertical aperture in a fortification through which an archer can launch arrows.
The earliest rail chairs, made of cast iron and introduced around 1800, were used to fix and support cast-iron rails at their ends; [2] they were also used to join adjacent rails. [ 35 ] In the 1830s rolled T-shaped (or single-flanged T parallel rail ) and I-shaped (or double-flanged T parallel or bullhead ) rails were introduced; both required ...
If the scoops taken out of the material meet in a sharp ridge, the ridge is called an arris. If the raised ridge between two flutes appears flat, the ridge is a fillet . [ 1 ] Fluted columns are common in the tradition of classical architecture but were not invented by the ancient Greeks, but rather passed down or learned from the Mycenaeans or ...
Data Over Cable Service Interface Specification (DOCSIS) is an international telecommunications standard that permits the addition of high-bandwidth data transfer to an existing cable television (CATV) system.
Although there is no standard for the depth of equipment, nor specifying the outer width and depth of the rack enclosure itself (incorporating the structure, doors and panels that contain the mounting rails), there is a tendency for 4-post racks to be 600 mm (23.62 in) or 800 mm (31.50 in) wide, and for them to be 600 mm (23.62 in), 800 mm (31. ...
The power distribution specification defined that most of the PSU's power should be provided on 5 V and 3.3 V rails, because most of the electronic components (CPU, RAM, chipset, PCI, AGP and ISA cards) used 5 V or 3.3 V for power supply. The 12 V rail was only used by computer fans and motors of peripheral devices (HDD, FDD, CD-ROM, etc.)