A professional who operates pig machine to pour molten iron into molds to cast pig iron. Respnsibilities include:

• Starts conveyor that positions mold under spout of pig-machine ladle.
• Moves controls to tilt ladle, allowing molten iron to flow into mold.
• Observes filling operation to detect sticking of molten iron to inside of molds, and signals lime mixer tender to spray additional lime on walls of molds.
• Performs maintenance, such as relining iron runners, repairing pig machine chains, and replacing broken molds, using handtools, bars, and jib crane.