Remove impurities from the surface of molten metal, using strainers.
- 51-9051.00 Furnace, Kiln, Oven, Drier, and Kettle Operators and Tenders
- 51-4072.00 Molding, Coremaking, and Casting Machine Setters, Operators, and Tenders, Metal and Plastic
- 51-4052.00 Pourers and Casters, Metal
