42 Engineering services; engineering certification testing services; engineering investigation services; engineering testing services; engineering research services for others; laboratory testing services in the fields of mechanical property testing, namely, hardness, tensile and compression and fatigue life testing, quantitative and qualitative chemical analysis, visual and microscopic examination, metallographic examination and non-destructive testing, corrosion analysis and evaluation, laboratory sample quality assurance and quality control sampling and electrical and electronic testing and analysis of circuit board assemblies and components, electro mechanical assemblies and components, [ hybrid microelectronic modules, ] electronic controls, electronic sensors, vehicle electronics assemblies and components, and consumer electronics; product design analysis services; materials testing and analysis services; computer aided engineering design, computer aided design of machine parts used in manufacturing, [ and computer aided design of computer programming; ] non-destructive materials testing services; graphic design services; expert witness consultation and testimony services in the fields of architectural design, biomedical analysis, biomechanical analysis, chemical processes, chemistry, engineering, environmental impact and safety, ergonomics, explosives, fluid mechanics and hydraulics, human factors engineering, industrial processes, industrial safety, intellectual property valuation and infringement, manufacturing processes, products liability, product safety, regulatory compliance, electrical engineering and electronics engineering; patent validity and infringement analysis and investigation services; product testing services for others, namely, testing of a wide variety of machines, assemblies and components used in the aerospace, automotive, electronics, oil and gas, construction and transportation industries, for reliability modeling and failure mode analysis, design evaluation and failure prevention studies, maintenance planning, and life prediction and extension studies; consulting services in the fields of architectural design, biomedical analysis, biomechanical analysis, chemical processes, chemistry, engineering, environmental impact and safety, ergonomics, explosives, fluid mechanics and hydraulics, human factors engineering, industrial processes, industrial safety, intellectual property valuation and infringement, manufacturing processes, products liability, product safety, and regulatory compliance [ ; providing on-line computer databases in the fields of architectural design, biomedical analysis, chemical processes, chemistry, engineering, environmental impact and safety, ergonomics, explosives, fluid mechanics and hydraulics, human factors engineering, industrial processes, industrial safety, intellectual property valuation and infringement, manufacturing processes, products liability, product safety, and regulatory compliance ]