This industry comprises establishments primarily engaged in converting paper or paperboard into products used for writing, filing, art work, and similar applications. Illustrative Examples: Computer paper, die-cut, made from purchased paper Die-cut paper products for office use made from purchased paper or paperboard Envelopes (i.e., mailing, stationery) made from any material Stationery made from purchased paper Tablets (e.g., memo, note, writing) made from purchased paper Tapes (e.g., adding machine, calculator, cash register) made from purchased paper Cross-References.