42 Consultancy in the field of energy and/or water saving; consultancy in the field of energy and/or water efficiency; providing technical advice relating to energy saving, water saving, energy efficiency and/or water efficiency; computer software design and development services; cloud computing services acting as an application service provider in the field of energy saving, water saving, energy efficiency and/or water efficiency; application service provider of cloud computing services, hosting web-based applications in the field of energy saving, water saving, energy efficiency and/or water efficiency; application service provider, providing temporary use of non-downloadable computer programs in the field of energy saving, water saving, energy efficiency and/or water efficiency