[Class : 37] Construction; Repair; Installation Services, Maintenance, Repair And Restoration Of Power Generators And Of Oil, Diesel, Petrol And Heat Engines. Construction, Installation & Maintenance Of Solar Power Plants And Solar Power Projects, Machinery Installation, Maintenance & Repairs, Electric Appliance Installation & Repair. Construction Of Geothermal Power Installations And Geothermal Heating Installations ,Construction Of Geothermal Energy Installations, Construction Of Water Supply Installations And Utility Solar Installations, Construction, Repair, Maintenance And Installation Services, Construction Of Oil And Gas Storage Installations, Providing Information On Construction, Repair, Restoration, Maintenance And Installation Services, Construction, Maintenance, Servicing And Repair Of Energy And Power Generating Apparatus, Equipment And Installations, Advisory Services In The Fields Of Construction, Repair, Restoration, Maintenance And Installation, Construction, Erection, Installation, Repair, Renovation, Servicing, Maintenance And Dismantling Of Wind Farms, Construction, Repair And Installation Services Relating To Heating, Ventilating And Air Conditioning Systems, Installation Of Fabricated Construction Units, Installation, Maintenance And Repair Of Compressors, Construction Of Power Plants, Installation, Maintenance And Repair Of Power Plants, Power Grids And Energy Conversion Apparatus.