42 Engineering services; engineering design 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, metallographic examination and non-destructive testing, corrosion analysis and evaluation; electrical and electronic testing and analysis in the fields 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; computer aided engineering design; computer aided design of machine parts; non-destructive materials testing services; graphic design services; expert witness consultation and testimony services in the fields of architectural design, 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, products liability, product safety, regulatory compliance, electrical engineering and electronics engineering; patent validity and infringement analysis and investigation services; product testing services for others; consulting services in the fields of architectural design, 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, products liability, product safety, and regulatory compliance [ ; providing on-line computer databases featuring information in the fields of architectural design, 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, products liability, product safety, and regulatory compliance; and explosion and fire analysis services ]