The outer side of a circular track of radius 200 m is raised to make an angle of 15^@ with the horizontal. Name the process by which the outer side of a curved track is raised a littile above the innerside.

The outer side of a circular track of radius 200 m is raised to make a

1.	The outer side of a circular track of radius 200 m is raised to make an angle of 15^@ with the horizontal. Name the process by which the outer side of a curved track is raised a littile above the innerside.
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