42 Providing scientific and technological services by collecting, analyzing, and evaluating data relating to operating status of electrolysers as chemical processing machines and apparatus for use in the manufacture of caustic soda and chlorine; computer-aided scientific and technological analysis of data; monitoring of computer systems to detect breakdowns; product failure analysis services; providing scientific and technological services by collecting, analyzing, and storing electronic data; monitoring of computer systems and providing information and advice relating thereto; monitoring of telecommunication signals; providing computer software for monitoring of operating status of electrolysers as chemical processing machines and apparatus for use in the manufacture of caustic soda and chlorine; software as a service [SaaS]; platform as a service [PaaS]; providing computer programs on data networks; providing temporary use of online non-downloadable software; design and development of electrolysers as chemical processing machines and apparatus for use in the manufacture of caustic soda and chlorine and their fittings; designing of machines, apparatus, instruments [including their parts] or systems composed of such machines, apparatus and instruments; design of electrodes; technological advice relating to computers, automobiles and industrial machines; technological advice relating to electrolysers as chemical processing machines and apparatus for use in the manufacture of caustic soda and chlorine; research and development of chemicals; development and test of chemical production methods; testing or research on machines, apparatus and instruments; rental of measuring apparatus; rental of computers; consultancy services in the fields of science, engineering and information technology.