Add treating or neutralizing agents to products, and pump products through filters or centrifuges to remove impurities or to precipitate products.
- 51-6091.00 Extruding and Forming Machine Setters, Operators, and Tenders, Synthetic and Glass Fibers
- 51-9198.00 Helpers--Production Workers
- 51-4031.00 Cutting, Punching, and Press Machine Setters, Operators, and Tenders, Metal and Plastic
- 51-9192.00 Cleaning, Washing, and Metal Pickling Equipment Operators and Tenders
- 51-5112.00 Printing Press Operators
