16 Printed educational publications in the form of books, hand-outs, workbooks; Educational and instructional material books, hand-outs, workbooks; Printed matter for educational purposes in industrial engineering and technology fields; Educational supplies, namely, pens, pencils, text markers, rubbers, rulers, triangles, protractors; Printed training books, manuals, guides; Teaching materials, namely, books, pictures, posters, charts, textbooks, workbooks, worksheets, activity sheets (except apparatus); Stationery