16 [ paper; namely, typewriter paper, packing paper, wax paper, parchment paper; cardboard, cardboard containers, cardboard boxes, and cardboard mailing tubes; printed matter; namely, magazines, series of fiction/non-fiction books, ] booklets on freight transportation, storage, parcel pick-up and delivery; [ mounted/unmounted photographs; stationery writing paper and envelopes; office materials; namely, file folders, dictation books, letter openers, typewriter ribbons, and typewriters; playing cards; maps, postcards, and pens; namely, ball point pens and fountain pens ]