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The color, as well as aperture size, known as Openness Factor, or OF, are two variables of fabric shades that can change view clarity perception. Darker fabric shades with larger openness factors generally achieve higher view clarity. [5] The impact of window coverings on view quality is of interest for designers, manufacturers, and researchers.
Shade screens utilize acrylic canvas or a mesh fabric, which allows some view-through while blocking the sun's rays. The roller at the top may be hand-cranked or motorized. [5] The fabric is gravity-fed, with a weighted bottom rail pulling the fabric down between guide rails or guy wires.
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.
Many areas of tropical Australia, the Mediterranean, Africa, and the American South, feature exterior shutters that block the strong sun from windows. Functional shutters hinge on each side of a window or at the top and swing closed when necessary and can also be mounted on tracks applied to the face of the building. [ 3 ]
In addition to the exterior shading devices, occupants can make further adjustments from within the building using manually-operated interior roller fabric shades above each window. On top of the David Brower Center, there is a 68 kilowatts (91 hp) photovoltaic array that offsets approximately 35 percent of the building's electricity energy ...
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