The conversion of linear polarized light into radial-polarized light is accomplished through a radial polarization generator containing multiple layers of polarizing film, or polarization converters, for converting the beam of light to a different orientation. The container presser has a function to press and crush the empty container on the container bearing portion from above. % of linearity; and -amides of formula wherein R represents a C5-C23 alkyl or alkenyl group having odd or odd and even number of carbon atoms and a 35-85 wt. Video device types, identification, and configuration parameters are depicted along with state information for a video call to allow monitoring and correction of failures that may occur. The first bracket is mountable to the second and third brackets by the slots in its opposing walls when the first bracket is positioned such that its opposing walls lie adjacent to the opposing walls of the second and third brackets, respectively. Responsive to dispensing a first amount of paper from a set of paper dispensers in which the first amount of paper is dispensed for an account, the set of paper dispensers updates the account based on the first amount of paper dispensed.