A polymeric viscosity index improver that includes a hydrogenated block copolymer having at least one controlled distribution block copolymer having a minimized crystallinity is provided. The optical module includes a plurality, e. The control comprises a track and an indicator that indicates a location and a range of the portion of the content selection within the content selection as a whole. The robot preferably comprises a six axis bending robot, in which the distal end of the moveable arm can move relative to the fixed gripping tool about three translational axes and three rotational axes.