16 [ Paper, cardboard and goods made of these materials included in this class, namely, calendars, stationery, hat boxes of cardboard, cardboard packaging, boxes of paper; printed matter, namely, printed calendars, printed forms, printed invitations, atlases and geographical maps, books in the field of science, technology and engineering, printed instructional and teaching materials in the fields of science, technology and engineering; bookbinding material, namely, bookbinding tapes, bookbindings, cloth for bookbinding; photographs; stationery; adhesives and glues for stationery or household purposes; artists' materials, namely, art pads, art paper, artists' brushes; typewriters, pens and office articles excluding furniture, namely, magnetic boards, file folders, desktop stationery cabinets; printed instructional and teaching material except apparatus in the field of science, technology, engineering, mathematics, social studies, computer science; packaging material made of plastics, included in this class, namely, plastic bags for packaging, plastic bubble packs for wrapping or packaging; printing type; printing blocks, namely, atlases, calendars, geographical maps, printed publications, namely, brochures, booklets, and teaching materials in the field of science and technology, ball-point pens and pencils, flags of paper, table napkins of paper ]