Description: Metal windows and doors; metal window and door assemblies and component parts therefor, namely, frames, window sashes, door panels, insect screens and replacement parts therefor; metal hardware for windows and doors, namely, handles, cranks, knobs, window sash fasteners, hinges, and locks; metal window screens; insect screens of metal; metal screen doors; retractable metal window screens | Non-metal windows and doors; non-metal window and door assemblies and component parts therefor, namely, frames, window sashes, door panels, glass panes, insect screens and replacement parts therefor; nonmetal window screens; insect screen not of metal; nonmetal screen doors; retractable nonmetal window screens; window and door components of thermoplastic biofiber composite material, namely, window and door sills, sashes, panels, frame components, grilles and trim | Educational services, namely, conducting classes and seminars in the field of planning, placement, and protection of windows and doors for optimum energy efficiency, and distributing course materials in connection therewith; conducting construction workshops and training programs in the field of windows and doors and distributing course materials in connection therewith; computer services, namely, providing on-line non-downloadable magazines in the field of windows and doors