Design, development, installation, maintenance and repair of computers and computer networking and communications equipments; and design, development, writing, installation and maintenance of computer progrms

Data and word processing systems, general purpose computers, computer printers, networking and communication equipment included in this class, parts and fittings therefor included in this class; machine readable information carriers included in this class; computer programs on machine readable media included in this class; magnetic tapes and cards, chips and other media included in this class for bearing computer programs

Recording media in this class for recording computer programs, computer data and computer databases; printed materials on the subject of the use of computer programs, data and word processing systems, general purpose computers and related fields; user's guides, drawings, forms, workbooks, data sheets for use with pre-recorded programs and data and word processing systems and general purpose computers, training materials included in this class; computer program printouts; and all other goods included in this class

Metallic materials for railway tracks, rail steel, rails, switch frogs