A professional who forms plaster molds, used to make metal castings, using molder's handtools, patterns, and flasks. Respnsibilities include:

• Mixes plaster powder and water according to specified formula.
• Places cope and drag on molding table.
• Places drag half of pattern in drag.
• Pours liquid plaster into drag, removes excess plaster, using straightedge, and allows mold to harden.
• Assembles cope half of pattern to drag half of pattern in mold.
• Places cope on drag and makes depressions in plaster around drag pattern to ensure accurate joining of mold halves for casting.
• Brushes parting agent on surfaces of mold, pattern, and flask, and pours liquid plaster into cope.
• Separates cope and drag after specified time and removes pattern.
• Repairs cracks and broken edges of mold, using molder's handtools, such as spoon, trowel, and slick.
• May cut gates and risers in mold after mold is baked.
• May position cores in drag and assemble mold.
• May pour molten metal into molds, using hand ladle.
• Makes plaster cores by pouring plaster in core box and clamping box shut.
• May cast plaster molds from rubber molds, spraying parting agent on mold face and pouring plaster into drag and cope.