A method for measuring side run-out of a wheel by turning the wheel mounted on a roller supported rotatably. The invention provides a representation of video data that can be used to assess agreement between the data and a fitting model for a particular parameterization of the data. A storage assembly has first and second lateral walls, a rear wall, and a bottom wall. The invention further comprises an apparatus for performing a process of converting waste products into useful materials, and an oil product that arises from the process. The mold frame has a central opening and includes one or more stopper units formed along an edge of the mold frame, the stopper unit having first and second chamfers. The outer sheath is inserted over the inner sheath, and the feeding tube is inserted into the inner sheath, with the internal bolster being folded and tucked into the window and retained therein by the outer sheath.