This industry comprises establishments primarily engaged in (1) converting plastics resins into unsupported plastics film and sheet and/or (2) forming, coating or laminating plastics film and sheet into plastics bags. Cross-References. Establishments primarily engaged in-- ? Laminating plastics sheet (except for packaging)--are classified in Industry 32613, Laminated Plastics Plate, Sheet (except Packaging), and Shape Manufacturing; ? Manufacturing plastics blister and bubble packaging--are classified in Industry 32619, Other Plastics Product Manufacturing; and ? Coating or laminating combinations of plastics, foils and paper (except plastics film to plastics film) into film, sheet or bags--are classified in Industry 32222, Paper Bag and Coated and Treated Paper Manufacturing.