42 ENGINEERING, DESIGN, AND DEVELOPMENT OF ELECTRONIC COMMERCE SYSTEMS AND NETWORKS, FOR OTHERS, NAMELY, GLOBAL AND LOCAL COMPUTER NETWORKS, AND EXTRANETS; TECHNICAL MANAGEMENT IN THE NATURE OF DESIGN, DEVELOPMENT, ASSESSMENT AND IMPLEMENTATION OF ELECTRONIC COMMERCE SYSTEMS AND NETWORKS, NAMELY, GLOBAL AND LOCAL COMPUTER NETWORKS, AND EXTRANETS; TECHNICAL CONSULTATION IN THE AREA OF ELECTRONIC COMMERCE SYSTEMS AND NETWORKS, NAMELY GLOBAL AND LOCAL COMPUTER NETWORKS, AND EXTRANETS