42 Manufacturing, engineering and design services for others in the field of electronics products; prototype fabrication and assembly of products; services of redesigning electronics products and the manufacturing processes for such products; technology qualification services, namely testing electronics products; health and environmental compliance services for manufacturers of electronics products, namely development of assembly processes complying with environmental legislation, developing lead-free processes, conversion of manufacturing processes of others for electronics products to ensure compliance with environmental legislation and regulations, and electronic product conversion guidance; material disposition for materials used in electronics products manufacture; product certification services namely certification that electronics products meet regulatory and legislative standards