Production of electrical energy from renewable sources; Production of electrical power from renewable sources; Recycling of electric appliances; Recycling of electronic and electric appliances; Recycling of electronic and electrical appliances

Doors and windows of metal, window casements, window frames, and window sills of metal; metal window trim; aluminum windows, aluminum doors; metallic window shutters and door shutters; door jambs, door casings, and door frames of metal; door fittings and door trim of metal

systems and equipment for transmitting data to electrical power customers via an electrical power transmission system and for managing information and energy consumption, including (1) equipment for the transmission of data to electrical power customers via an electrical power transmission system, including signal generators for generating a signal containing data to be transmitted, amplifier and interface units for superimposing the data signal on high voltage electrical power lines, receive...