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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 ...
Mercedes-Benz Stadium is a retractable roof multi-purpose stadium in Atlanta, Georgia, United States. [15] Opened in 2017 as a replacement for the Georgia Dome, it is the home of the Atlanta Falcons of the National Football League (NFL) and Atlanta United FC of Major League Soccer (MLS).
Section view through a house roof drawing showing names for parts of the structure. [clarification needed] (UK and Australia). Ctrs. means centers, a typical line to which carpenters layout framing. Domestic roof construction is the framing and roof covering which is found on most detached houses in cold and temperate climates. [1]
The finished roof's thickness is usually between 30 and 120 mils (thousandths of an inch; 0.75 mm to 1.50 mm). The most commonly used cured elastomer membranes are ethylene propylene diene monomer (commonly EPDM ) and neoprene, although all thermoset products combined fail to account for more than 10% of all commercial roofing.
Four venues (Dallas, Houston, Atlanta, and Vancouver) are indoor stadiums that use retractable roof systems, all equipped with climate control while a fifth, Los Angeles, is open-air but has a translucent roof and no climate control. [43]
These dryers derive their cooling from a closed cycle refrigeration system based around one of three commercial refrigerants, R-22, R-134a or R410a. The refrigeration system these dryers use is similar to home and commercial air conditioning systems. The schematic shown to the right illustrates a typical Freon-based refrigerated compressed air ...
The supporting structure of a roof usually comprises beams that are long and of strong, fairly rigid material such as timber, and since the mid-19th century, cast iron or steel. In countries that use bamboo extensively, the flexibility of the material causes a distinctive curving line to the roof, characteristic of Oriental architecture.
A rotary dryer is a type of industrial dryer used to reduce or minimize the moisture content of the material it is handling by bringing it into contact with a heated gas. [1] The dryer is made up of a rotating cylinder ("drum" or "shell"), a drive mechanism, and a support structure (commonly concrete posts or a steel frame).