providing on-line access via computer and communication networks to computer software for product lifecycle management and product data management; application service provider services; hosting of computer software applications for use by others; providing on-line access via computer and communication networks to computer software for managing, organizing, and communicating manufacturing product data, processes, and lifecycle for providers of goods, original equipment manufacturers, suppliers and outsourced partners; providing on-line access via computer and communication networks to computer software for bill of materials management; providing on-line access via computer and communication networks to computer software for collaborating with customers, vendors, and partners on product manufacturing; providing on-line access via computer and communication networks to repositories of product data, product and component specifications, engineering drawings, project plans, part names and numbers, and geometry files; providing on-line access via computer and communication networks to computer software for managing the submission and approval of engineering and manufacturing change requests and change orders; providing on-line access via computer and communication networks to computer software for conforming business, engineering, product planning, and manufacturing processes to regulatory requirements