A professional who tends heated vats to mix and cook tobacco casing fluid ingredients. Respnsibilities include:

• Admits steam into jacket of vat.
• Dumps solid ingredients into vat and pours liquids from pail or turns valve to admit liquids, following written or oral instructions.
• Starts agitator in vat or stirs mixture with paddle to mix ingredients and prevent them from boiling over.
• Starts pump or removes bung from bottom of vat, after mixture is cooked into syrup, to transfer casing fluid to storage tanks.
• May measure specific gravity of fluid, using hydrometer, and add water, according to consistency of mix.
• May weigh or measure cooked ingredients.