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A handrail is a rail that is designed to be grasped by the hand so as to provide safety or support. [1] In Britain, handrails are referred to as banisters. Handrails are commonly used while ascending or descending stairways and escalators in order to prevent injurious falls, and to provide bodily support in bathrooms or similar areas.
Grab bars can be installed in different positions: Vertical grab bars may help with balance while standing. Horizontal grab bars provide assistance when sitting or rising, or to grab onto in case of a slip or fall. Some grab bars can be installed at an angle, depending on the needs of the user and the positioning.
Cable railings typically use stainless steel cables strung horizontally. Stainless-steel cable and fasteners are strong and don’t obscure the view. Contemporary frame systems use plastic-coated steel cables. [6] Glass balusters and glass panels are often used at contemporary architectural projects where unobstructed view is important. [7] All ...
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 ...
A dry deck shelter (DDS) is a removable module that can be attached to a submarine to allow divers easy exit and entrance while the boat is submerged. The host submarine must be specially modified to accommodate the DDS, with the appropriate mating hatch configuration, electrical connections, and piping for ventilation, [ 1 ] divers' air, and ...
An improvement over fishplate rail connectors is directly bonding rails together using thermite or flash butt welding. In 1967, the Hither Green rail crash occurred on the Southern Region of British Railways when a rail fractured at its fishplate joint. The crash accelerated welded rail connections, with strict procedures on concrete and wooden ...