Disposal of medications presents a multifaceted problem where medications disposed of via sewage systems can eventually affect water supplies. Furthermore, the present invention is related to a polymer electrolyte and a fuel cell using the same. The piston is concentrically received within the long tube whereby a sliding movement of the sleeve along the long tube provides a sliding movement of the piston within the long tube and vice versa. It has been found important to maintain a substantially uniform temperature at or below the vaporizing surface in order to effectively treat crude oil for dewatering purposes. The lens transfers sharpness from a peripheral viewing region within the macro range into a central viewing region within the macro range.