42 Industrial research, development and testing; design and development of data processing apparatus; design of machines, apparatus and instruments; design of optical components; design and development of industrial products; technical planning and consultancy in the field of light engineering; product design and development; designing of machines, apparatus, instruments [including their parts] or systems composed of such machines, apparatus and instruments; design of lighting systems; lighting design; design and development of computer systems; research, development, design and updating of computer software; design and development of data processing systems; design of computer software for data processing; development of image processing software; computer software design, computer programming, or maintenance of computer software; design and development of testing and analysis methods; analysis and evaluation of product development; consultancy relating to product development; development of measuring and testing methods; quality control testing and consultancy relating thereto; testing or research on machines, apparatus and instruments; rental of application software; software as a service [SaaS]; hosting computer software applications for others