42 Scientific and technological services, namely, research and design in the field of cleaning and hygiene technology, industrial analysis and research in the field of chemistry, physics, biology, microbiology, cleaning and hygiene technology; engineering; design and development of computer hardware and software; Quality control for others in the field of textiles and textile development, namely, research in the field of textiles and textile development; Design and development of washing and cleaning machines, washing and cleaning preparations, washing and cleaning processes for monitoring operations and for hygiene and disinfectant management in accordance with national and international standards; Scientific and technological services, namely, testing and analysis in the field of washing and cleaning preparations, fabric softeners, textile auxiliaries, textile goods, floor materials, and hard surfaces; Scientific and technological services, namely, testing of clean rooms and analysis of particle measurements; Testing of the goods and services of others for the purpose of certification and in accordance with national and international standards; Testing and analysis of washing, laundry and cleaning machines, regarding the cleaning and disinfecting effect thereof using comparative assessments; Testing and analysis and evaluation of washing, laundry and cleaning machines by means of comparative assessments of the cleaning and disinfecting processes and providing suggestions for improvements of the processes used; Product research and development for others in the field of household and industrial dishwashers, cleaning devices for hard surface, dryers, ironing equipment and finishing apparatus and providing suggestions for improvements in said product development; Examination in the nature of quality control for others of the operation of hygiene equipment and technology in the area of laundry services in accordance with national and international standards; Quality control for others, namely, evaluating service operations, which clean and disinfect textile goods for the purpose of introducing quality management systems (Risk Analysis and Biocontamination Control Systems) in accordance with national and international standards; Quality control for others; Ecological auditing, namely, technical assessment of processing procedures in cleaning and service operations with regard to their environmental impact for the purpose of providing an environmental assessment; Technical testing and development of the processes used in cleaning plants in order to meet environmental regulations; Technical consulting services about available technologies in the field of reducing sewage charges by means of specific modifications to the cleaning processes in order to meet environmental regulations; Research in the area of washing and cleaning technology for laundry service providers and the accompanying environmental technology and the tools and apparatus used for this purpose; Consulting and research in the field of environmental protection, namely, analysis of water, sewage, air and exhaust air and feasible concepts for sewage/exhaust air treatment; Engineering and consulting in the field of scientific expertise, namely, chemistry, physics, biology, microbiology, cleaning and hygiene technology and engineering; Testing, namely, industrial testing of adhesives regarding their washing-off properties and consultation related thereto; Workplace certification services, namely, presentation and procurement of general certificates and test certifications based on national and international standards in the area of laundry services