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The remainder of stations in the Exo network have low platforms 5 inches (127 mm) or 8 inches (203 mm) above the top of rail. [30] All UP Express stations have level boarding with platforms 48 inches (1,219 mm) above the top of rail. [citation needed] West Coast Express has accessible boarding platforms at all stations. However, unlike the ...
A Central line platform at Bank tube station, London, showing the 1-foot (30 cm) gap between the train and the platform edge (delineated by a solid white line).. A platform gap (also known technically as the platform train interface or PTI in some countries) is the space between a train car (or other mass transit vehicle) and the edge of the station platform, often created by geometric ...
Step aerobics. Step aerobics, also known as bench aerobics and step training, [1] is a form of aerobic exercise that involves stepping on and off a small platform. Step aerobics was studied by physiologists in the 1980s, and in 1990 it swiftly grew in popularity in the U.S. as a style of health club exercise, largely because of promotion by ...
The test subject repeatedly steps onto and off of a platform every two seconds. [2] The height of the platform is 20 inches or 51 centimetres for men and 16 inches or 41 centimetres for women. The rate of 30 steps per minute must be sustained for five minutes or until exhaustion. To ensure the right speed, a metronome is used.
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1,435 mm (4 ft 8 + 1⁄2 in) standard gauge. O scale (or O gauge) is a scale commonly used for toy trains and rail transport modelling. Introduced by German toy manufacturer Märklin around 1900, by the 1930s three-rail alternating current O gauge was the most common model railroad scale in the United States and remained so until the early 1960s.
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