42 Scientific and technological services, namely, product development research and design in the field of physical measurement technology, in the field of thin film technology, in the field of telecommunications technology, in the field of software development, in the field of electrical power supply, and, in the field of safety-relevant mechanical connections; Scientific and industrial research in the field of physical measurement technology, in the field of thin film technology, in the field of telecommunications technology, in the field of software development, in the field of electrical power supply, and, in the field of safety-relevant mechanical connections; scientific and technological consultancy, namely scientific research consultancy, and technological consulting in the technology field of physical measurement technology, in the technology field of thin film technology, in the technology field of telecommunications technology, in the technology field of software development, in the technology field of electrical power supply, and, in the technology field of safety-relevant mechanical connections; surveying and technical writing, being preparation of scientific reports; technical and scientific project studies, namely, conducting feasibility studies in the field of new technologies; technical development and research services regarding new products for others; testing, namely, product safety testing of mechanical connections; quality control for others; material testing; scientific laboratory services, namely, technical measuring and testing laboratory services; design and development of computer hardware and software; rental of science and technology equipment; rental of measuring apparatus; technical supervision and inspection, namely, technical studies and inspection being conducting of feasibility studies in the field of new technologies; technical supervision and inspection, namely, technical quality monitoring services of the tightening of screws; software as a Service (SaaS) featuring software for recording and analysing real-time physical data for checking the stability of mechanical connections and determining safety-relevant information of mechanical connections; leasing being rental of scientific and technological instruments; leasing being rental of measuring apparatus