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Martinez thought the step aerobics idea was good, and introduced Miller to Reebok CEO Paul Fireman who quickly gave the go-ahead to hire Miller and start a major product campaign. Reebok already had connections with many health clubs through their shoe promotions, and they were very interested in any new aerobics program which would attract ...
The dimensions of a stair, in particular the rise height and going of the steps, should remain the same along the stairs. [14] The following stair dimensions are important: The rise height or rise of each step is measured from the top of one tread to the next. It is not the physical height of the riser; the latter excludes the thickness of the ...
Parkour_-_climb_stairs.ogv (Ogg multiplexed audio/video file, Theora/Vorbis, length 9.8 s, 640 × 480 pixels, 1.13 Mbps overall, file size: 1.33 MB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
Around May 1895, Charles Seeberger began drawings on a form of escalator similar to those patented by Wheeler in 1892. This device consisted of flat, moving stairs, not unlike the escalators of today, except for one important detail: the step surface was smooth, with no comb effect to safely guide the rider's feet off at the ends.
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Stair climbing has developed into the organized sport tower running.Every year several stair climbing races are held around the world with the competitors running up the stairs of some of the world's tallest buildings and towers (e.g., the Empire State Building, Gran Hotel Bali), or on outside stairs such as the Niesenbahn Stairway.
An extension ladder. A ladder is a vertical or inclined set of rungs or steps commonly used for climbing or descending. There are two types: rigid ladders that are self-supporting or that may be leaned against a vertical surface such as a wall, and rollable ladders, such as those made of rope or aluminium, that may be hung from the top.
A training manual is a document, a book or booklet of instructions and information, used as an aid to learning a task, skill, or job. [1] Training manuals are widely used, including in business and the military. [citation needed] A training manual may be particularly useful as: an introduction to subject matter prior to training