Complex sentence: An of example of figuring is that used in reflecting telescope primary mirrors in a process of converting the smooth spherical mirror produced by earlier stages into the aspherical or parabolic shapes needed to form the correct image.
Split into simpler sentences: An of example of figuring is that used in reflecting telescope primary mirrors. The process of converting the smooth spherical mirror produced by earlier stages into the a spherical or parabolic shapes needed to form the correct image.