Multilayer polymeric films and other optical bodies are provided. The characteristic ingredient of the composition is the resinous compound which has two types of functional groups, e. In operation, a simple communication is provided to another user requesting hisher location and the GPS coordinates of the recipient are returned directly to the requester’s mobile device for providing through an API to map or navigation or game software or hardware. When all of the power supply units have been started, power from all the power supply units is simultaneously supplied to a load. The device can remove the effect of lens distortion from an image photographed with a camera capable of varying its optical conditions. A rear extension of the seat is braced against a tree and the backrest leans against the tree in the chair configuration.