A powder coating composition comprising at least one hydroxyl functional polyurethane resin binder, and at least one polyurethane resin as cross-linking agent containing blocked isocyanate groups,wherein the at least one hydroxyl functional polyurethane resin binder and the at least one polyurethane resin both having a melting temperature of 60 to 180\xb0 C. The object-detecting device includes an imaging portion for imaging the operation object and an image processor for extracting the operation object. The method further includes providing a client device having a signaling protocol client, wherein the client device is coupled to a remote access network that is external to the local access network. The preferred embodiment of the invention is a new deployment vehicle for informal learning cultivated within a Community of Practice and broadcast over IP. The arrangement may further include a lens for optical coupling of the light between the optical waveguide section and the transmission andor reception component. In an embodiment, portions of the metadata may be viewed and navigated in a hierarchical and graphical formatted presentation.