42 Engineering services; Providing of scientific expertise; providing operational safety expertise; Scientific and technological services and research and design relating thereto; Industrial analysis and research services; Providing technical know-how; industrial testing, analysis and certification; Technical consultancy and providing of expertise; Provision of research services; Material testing; Quality control; Testing, evaluating and issuing certificates and/or quality stamps for goods and/or services, materials, substances, operations, procedures, documentation and/or information documents; prototype testing of products, equipment and apparatus, in particular with regard to compliance with applicable guidelines; Professional consulting and drawing up of plans, unrelated to business dealings, namely, professional consulting in the field of mastering and improving the design and operation of industrial sites and manufacturing facilities; services involving engineering and expert appraisals on testing and commissioning facilities; Testing of computer software; Computer support services; design, development, maintenance, licensing of computer hardware, software, programs; consultation with respect to the use of programs or groups of programs; Certification of business management; Technical advisory services relating to the installation and bringing into operation of plants