37 Building construction services; installation services, namely, installation of geothermal wells, geothermal energy production and storage facilities, desalination facilities, hydrogen production and storage facilities, ammonia production and storage facilities, fertilizer production and storage facilities, energy transport systems and refueling stations; repair services, namely, repair of geothermal wells, geothermal energy production and storage facilities, desalination facilities, hydrogen production and storage facilities, ammonia production and storage facilities, fertilizer production and storage facilities, energy transport systems and refueling stations; building maintenance services provided by a handyman; construction, installation, maintenance and repair services for energy systems, namely, microgrids; construction, installation, maintenance and repair services for geothermal energy plants; construction, installation, maintenance and repair services for desalination plants; construction, installation, maintenance and repair services for energy production plants, namely, plants for production of hydrogen by electrolysis and any other means; construction, installation, maintenance and repair services for refuelling stations, namely, stations for electric vehicles; construction, installation, maintenance and repair services for battery systems, namely, charging stations for electric vehicles; gas drilling; geothermal drilling; advisory, consultancy and support services relating to the aforesaid services; providing information and providing online information services relating to the aforesaid services; all of the aforesaid services also provided via an online communications network