heavier-weight grades of paper used for drink cartons, milk cartons, cereal boxes, beer and soft drink cartons, paper plates and cups, shoeboxes, and board for binder covers. a tall reed that that the ancient Egyptians used to make early mats of writing material. the process by which green plants convert carbon dioxide and water into glucose in the presence of sunlight. paper which was served its intended end-use and then discarded. One class of recycled waste paper. waste or scrap paper created in the manufacturing or converting process. Generally a higher grade of waste paper than post-consumer waste. paper used for books, magazines, copy paper, fine stationery, catalogs, direct mail pieces, envelopes, business forms, school filler paper, etc. the process by which wood is converted into the individual fibers or pulp used to make paper. May be a chemical process, a mechanical one, or a combination.