Original sentence: A rotating spline is one of a series of ridges on a driveshaft which mesh with and maintain a matched position of a mating piece, and does so by transferring torque.Manufacturers typically cut splines on shafts by milling and inside a mating piece with a broach
Edited sentence: A rotating spline is one of a series of ridges on a driveshaft which mesh with and equalize the rotation speed of a mating piece, thereby transferring torque.Manufacturers typically cut splines with a broach