16 [ Paper and paper articles, namely, paper bags, cardboard boxes, albums, namely, photo albums, coin albums, stamp albums and scrapbook albums, and scrapbooks; printed matter, namely, bookmarkers, calendars, playing cards, greeting cards, postcards, posters, and stickers; books in the field of power-operated machines; mounted and unmounted photographs; stationery; office requisites, namely, binders, folders, namely, file folder, hanging folders and stationery folders, pens, pencils, pencil cases, pencil sharpeners, non-electric erasers, drawing rulers, and labels, namely, printed labels, partially-printed labels and blank labels; teaching and educational material, namely, newsletters, pamphlets, leaflets, and brochures, all in the field of power-operated machines ]