37 BUILDING CONSTRUCTION AND DEMOLITION; SERVICES OF A BUILDER, namely, CARRYING OUT THE CONSTRUCTION OF BUILDINGS AND INDUSTRIAL PLANTS AND BUILDING CONSTRUCTION SUPERVISION SERVICES FOR CONSTRUCTION PROJECTS, INCLUDING DISPOSAL SITE CONSTRUCTION, BUILDING SERVICES, BUILDING CONSTRUCTION, POWER PLANT CONSTRUCTION, CONSTRUCTION OF WIND, SOLAR, HYDROELECTRIC ENERGY AND GAS POWER PLANTS AND INSTALLATIONS; MAINTENANCE, SERVICING, INSTALLATION, REPAIRS, TROUBLESHOOTING IN THE NATURE OF REPAIR OF INSTALLATIONS AND PLANTS IN THE FIELD OF POWER, ELECTRICAL, BUILDING SERVICES, COMMUNICATION AND ENVIRONMENTAL TECHNOLOGY; DISMANTLING OF OIL TANKS; TROUBLESHOOTING IN THE NATURE OF REPAIR OF ELECTRICAL INSTALLATIONS, IN PARTICULAR FOR USE IN ENERGY TECHNOLOGY, ELECTRICAL ENGINEERING AND BUILDING TECHNOLOGY, COMMUNICATIONS TECHNOLOGY AND ENVIRONMENTAL TECHNOLOGY AS WELL AS MECHANICAL AND PLANT ENGINEERING TECHNOLOGY; CONSTRUCTION AND MAINTENANCE OF SUPPLY NETWORKS FOR THE TRANSPORT OF NATURAL GAS, LIQUEFIED NATURAL GAS, OIL, ELECTRIC POWER, HEAT, ELECTRICITY, HYDROELECTRIC ENERGY, WIND ENERGY AND SOLAR ENERGY; INSTALLATION, CLEANING, REPAIR, MAINTENANCE AND TROUBLESHOOTING IN THE NATURE OF REPAIR AND SERVICING OF WIND AND SOLAR GENERATOR COMPONENTS, INCLUDING GEARBOXES, PREVENTIVE AND SCHEDULED MAINTENANCE, END-OF-WARRANTY (EOW) INSPECTIONS, COMMISSIONING, GEARBOX OIL CHANGES, CONDITION-BASED MAINTENANCE (CBM) REPAIR AND INSTALLATION, BASE BOLT TENSIONING, YAW/PITCH OIL CHANGES, AND OPERATION AND MAINTENANCE (OANDM) SUPPORT; MAINTENANCE AND REPAIR OF WIND POWER PLANTS; CONSTRUCTION OF UTILITY SOLAR INSTALLATIONS; INSTALLATION AND MAINTENANCE OF SOLAR THERMAL INSTALLATIONS; INSTALLATION OF NON-RESIDENTIAL SOLAR PANEL POWER SYSTEMS; INSTALLATION OF RESIDENTIAL SOLAR PANEL POWER SYSTEMS; INSTALLATION OF SOLAR HEATING SYSTEMS; INSTALLATION OF HYDROELECTRIC POWER SYSTEMS; MAINTENANCE AND REPAIR OF SOLAR THERMAL INSTALLATIONS; MAINTENANCE AND REPAIR OF SOLAR POWER INSTALLATIONS; MAINTENANCE AND REPAIR OF SOLAR HEATING INSTALLATIONS; MAINTENANCE AND REPAIR OF WIND POWER INSTALLATIONS; MAINTENANCE AND REPAIR OF HYDROELECTRIC POWER INSTALLATIONS; CONSTRUCTION OF GEOTHERMAL ENERGY INSTALLATIONS; CONSTRUCTION OF WAVE ENERGY POWER PLANTS; MAINTENANCE AND REPAIR OF WAVE ENERGY POWER PLANTS; MAINTENANCE AND REPAIR OF ENERGY GENERATING INSTALLATIONS, namely, POWER PLANTS FOR THE GENERATION OF ENERGY; REPAIR OF ENERGY PRODUCTION PLANTS AND MACHINES; REPAIR OF ENERGY SUPPLY INSTALLATIONS; CONSTRUCTION, INSTALLATION, ASSEMBLY, MAINTENANCE AND REPAIR OF POWER STATIONS, GAS GENERATORS, PIPELINES AND INSTALLATIONS FOR GENERATING ELECTRICAL AND THERMAL ENERGY AND STEAM FROM WASTE, VALUABLE MATERIALS AND BIOMASS; VEHICLE BATTERY CHARGING; BATTERY CHANGING SERVICE FOR MOTOR VEHICLES; BATTERY CHARGING SERVICE FOR VEHICLES; BATTERY MAINTENANCE SERVICE, namely, UTILITY-SCALE BATTERY MAINTENANCE; CHARGING STATION SERVICES FOR ELECTRIC VEHICLES; INSTALLATION OF CHARGING COLUMNS FOR ELECTRIC VEHICLES; REPAIR OF GAS SUPPLY SYSTEMS; REPAIR OR MAINTENANCE OF GAS WATER HEATERS; MAINTENANCE AND REPAIR OF INDUSTRIAL PIPING; MAINTENANCE AND REPAIR OF OIL AND GAS STORAGE INSTALLATIONS; MAINTENANCE AND REPAIR OF GAS AND ELECTRICITY INSTALLATIONS; INSTALLATION OF GAS SUPPLY AND DISTRIBUTION APPARATUS; CONSTRUCTION OF HYDROELECTRIC FACTORIES AND PLANTS