42 updating and maintenance of computer software; consulting for measuring systems (including computer consulting services); rent of computer software computer programming for data processing; rent of data processing units; calibration; research, preparation of technical expertise, engineering, construction planning and technological project planning, all in the areas of technology and mechanical engineering; ordnance survey; material, quality and raw material checking; exploitation and administration of authors' rights and intellectual property rights; photographic services concerning measurements, investigation and development of new products (for third parties) in the areas of technology and mechanical engineering