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A retractable roof is a roof system designed to roll back the roof of a structure so that the interior of the facility is open to the outdoors. [1] Retractable roofs are sometimes referred to as operable roofs or retractable skylights. The term operable skylight, while quite similar, refers to a skylight that opens on a hinge, rather than on a ...
1931 Georges Paulin made his idea public by applying for a patent on a detachable hard roof design that could ultimately be moved and stowed automatically in a car's rear luggage compartment, under a reverse-hinged rear-deck lid. [7] 1932 The French patent system granted Paulin patent number 733.380 for his Eclipse roof system on 5 July 1932. [7]
Various window blind styles. A window blind is a type of window covering. [1] There are many different kinds of window blinds which use a variety of control systems. A typical window blind is made up of several long horizontal or vertical slats of various types of hard material, including wood, plastic or metal which are held together by cords that run through the blind slats.
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Roll shutters on windows. Security roller shutters in a dead mall.. A roller shutter, security shutter, coiling door, roller door or sectional overhead door is a specialized type of door or window shutter consisting of multiple horizontal slats, bars, or web systems interconnected through hinges.
One safe and effective means to clean a roof is an electric agricultural sprayer system, as originally developed in Florida, USA in the early 1990s. [6] The equipment is used to apply a cleaning solution (typically containing bleach) that kills the algae, bacteria, mold, mildew, moss, fungus and other organic organisms growing on the roof.
A traditional conservatory at the Horniman Museum in London, now used as a cafe. A modern implementation, Adelaide's Bicentennial Conservatory Conservatory interior in the Lednice–Valtice Cultural Landscape, Czech Republic. A conservatory is a building or room having glass or other transparent roofing and walls, used as a greenhouse or a ...
Characteristic features of the Bengal roofs are the broad partial dome-like shape of the roof with runners down the corners. There are several common types of Bengal roofs: the do-chala type has only two hanging roof tips on each side of a roof divided in the middle by a ridge; in the rare char-chala type, the two roof halves are fused into one unit and have a dome-like shape; the double ...