16 Printed matter, namely, magazines, books, manuals, brochures, and job advertisements, all featuring information on computer science, semantic web, semantic web services, knowledge management, information technology, world wide web,Internet, e-commerce and e-business; stationery; printed instructional and teaching materials in the fields of computer science, semantic web, semantic web services,knowledge management, information technology, world wide web, Internet, e-commerce and e-business; office requisites, namely, bulldog clips, printed magnetic visual aid charts, dispensers for self adhesive labels and tapes, push pins and thumb tacks, personal paper embossers, metal eraser guides and shields, namely, metal guides and shields which prevent users from inadvertently erasing words or images, rubber erasers for ink and pencil, electric erasers, flip charts, office hole punches, chemical ink erasers, manual office letter openers, magnetic fixing and fastening accessories, namely, magnetic staples, magnetic labels, finger moisteners, metal bulletin boards, rubber stamps used to imprint numbers, dates and codes, metal paper clips and fasteners, paper cutters, office paperweights, pencil lead refill cases, electric and hand pencil sharpeners, office perforating machines used for perforating plans and drawings, bulletin boards, office hand presses and embossers, plastic seals for office use, metal signature templates used for the purposes of guiding where an individual is to place his/her signature, stamp pads,stamp racks, date stamps, numbering stamps, calendar stamps, package marking stamps,self-inking and pre-inking rubber stamps, office staple removers, office staplers, desk trays, letter trays, mail trays, wall charts used for listing stock control, budget control and personnel control, plastic wall charts, plastic day planners, plastic time planners,plastic bulletin boards, laminated wall maps, dry erase white boards for writing and drawing, magnetic dry erase white boards for writing and drawing, office dry erase writing boards; paper, cardboard and goods made from these materials not included in other classes, namely, folders, cardboard boxes, printing paper, stationery, bookmarks,posters, letter headed paper; leather pen holders