A professional who performs any combination of following duties to process stock (animal skins, splits, fleshings, and trimmings) for use in making glue or gelatin. Respnsibilities include:

• Moves stock to kettle upon signal from cook, using handtruck, and dumps stock into kettle.
• Turns valve to fill kettle with water to submerge stock.
• Skims grease from surface of water in kettle, using skimmer.
• Cleans kettle, using shovel, brushes, and water.
• Packs bottom of kettle with excelsior used to filter broth drained from kettle.