42 Engineering; providing of scientific expertise, namely, consulting in the fields of mechanical, technological, civil, aerospace, manufacturing and design engineering; services of engineers; scientific and technological services, namely, research and design in the fields of technological and digital advancement and innovation; Industrial analysis and research services in the field of technological and digital advancement; providing technical know-how, namely, provision of information regarding technical innovation and advancement to improve business operations; industrial testing, analysis and certification of the goods of others to assure compliance with industry standards; technical consultancy and providing of expertise in the field of mechanical, technological, civil, aerospace, manufacturing and design engineering and technical advancement; provision of research services in the field of mechanical, technological, civil, aerospace, manufacturing and design engineering and informational technology; materials testing; quality control for others; testing, analysis and evaluation of the services of others to determine conformity with certification standards; 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, namely, installing and maintaining computer software for others; design and development of computer hardware, software, programs; maintenance of computer software and programs; consultation with respect to the use of programs or groups of programs, namely, development of methods for testing data processing programs; testing analysis and evaluation of the knowledge, skills and abilities of others in the fields of mechanical, technological, civil, aerospace, manufacturing and design engineering to determine conformity with certification standards and issuing certificates; development of methods for testing data processing programs