A professional who tends mixing machine that mixes lime and water, and sprays mixture on interior of molds to prevent cast iron from sticking to molds. Respnsibilities include:

• Shovels lime into mixing machine, starts machine, and opens valve to allow water to enter machine to obtain mixture of specified consistency.
• Cleans molds, using airhose.
• Starts pump of spray gun, and sprays molds.
• Observes coating on molds, and adjusts spray gun and consistency of mixture to obtain specified coating.
• Sprays water on molds containing molten iron to cool metal, using hose.
• Removes stuck pigs from molds, using bar.