[Class : 4] Electrical Energy From Renewable Sources, Solar Power, Wind Power & From Non Renewable Sources.[Class : 9] Apparatus And Instruments For Accumulating, Storing, Controlling, Generating Electricity. Main Power Units, Photovoltaic Apparatus For Generating Electricity.[Class : 36] Real Estate Affairs, Services Of Real Estate Brokers Including Dealing In Property; Services Of Realty Administrators Of Buildings, I.E., Services Of Letting Or Valuation, Or Financing.[Class : 37] Services Rendered By Builders, Contractors Or Subcontractors In The Construction Or Making Of Permanent Buildings, Roads, Bridges, Dams Or Transmission Lines, As Well As Specialising In The Field Of Construction Such As Those Of Painters, Plumbers, Heating Installers Or Roofers Including Services Related To Restoration Of Objects To Their Original Condition Or In Their Preservation Without Altering Their Physical Or Chemical Properties And Other Ancillary Services Related To Constructions.