Standard rack can mean:
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19-inch rack
A 19-inch rack is a standardized frame or enclosure for mounting multiple electronic equipment modules. Each module has a front panel that is wide. The 19 inch dimension includes the edges or "ears" that protrude from each side of the equ ...
as used with electrical and electronic equipment.
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International Standard Payload Rack
The International Standard Payload Rack (ISPR) is a steel framework container that is designed and been adopted by the International Space Station (ISS) program to support efficient integration and interchangeability of space payload hardware, ...
as used in space stations.
* A
standard gauge
A standard-gauge railway is a railway with a track gauge of . The standard gauge is also called Stephenson gauge (after George Stephenson), International gauge, UIC gauge, uniform gauge, normal gauge and European gauge in Europe, and SGR in Ea ...
rack railway
A rack railway (also rack-and-pinion railway, cog railway, or cogwheel railway) is a steep grade railway with a toothed rack rail, usually between the running rails. The trains are fitted with one or more cog wheels or pinions that mesh with ...
* A large Rack can also mean the
breasts of a lady
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