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Riser-Tread formula: Sometimes the stair parameters will be something like riser plus tread equals 17–18 inches (432–457 mm); [38] another formula is 2 times riser + tread equals 24.6 inches (625 mm), the length of a stride. [14] Thus a 7 inches (178 mm) rise and a 10.6 inches (269 mm) tread exactly meets this code.
A stair tread is the horizontal portion of a set of stairs on which a person walks. The tread can be composed of wood, metal, plastic, or other materials. In residential settings, treads can be covered in carpeting. Stair treads can come in non-slip varieties, particularly in commercial or industrial locations. [1]
Doritos Crash Course (formerly titled as Avatar Crash Course) is a 3D sidescrolling platforming advergame developed by Wanako Games for the Xbox 360. It was released for free as one of the finalists of the "Unlock Xbox" competition sponsored by Doritos , alongside Harms Way . [ 1 ]
In 2005, sales of Doritos in the United States fell by 1.7% to $595 million. To increase sales in 2006, the company launched several new flavors, a new label, and more bilingual advertising. Frito-Lay vice president Joe Ennen described this as "the most significant rebranding and relaunch in Doritos' 38-year history." [12]
The standard designation for a UTS thread is a number indicating the nominal (major) diameter of the thread, followed by the pitch measured in threads per inch.For diameters smaller than 1 / 4 inch, the diameter is indicated by an integer number defined in the standard; for all other diameters, the inch figure is given.
The coefficient of traction is defined as the usable force for traction divided by the weight on the running gear (wheels, tracks etc.) [6] [7] i.e.: usable traction = coefficient of traction × normal force .
This is done by increasing contact with the ground with protrusions, similar to conventional tire treads, and analogous to athletes' cleated shoes. On tanks and armoured vehicles, grousers are usually pads attached to the tracks; but on construction vehicles they may take the form of flat plates or bars.
Design of tire tread has an effect upon noise generated, especially at freeway speeds. [1] Generally there is a tradeoff of tread friction capability; deeper patterns often enhance safety, but simpler designs are less costly to produce and actually may afford some roadway noise mitigation.