A professional who tends machine that mixes ingredients, such as dye, oil, sand, sawdust, and water to make sweeping compound. Respnsibilities include:

• Measures or weighs out ingredients according to formula.
• Dumps or pours ingredients into mixer.
• Starts agitator or tumbler and mixes ingredients for specified time.
• Turns valve to drain mixture into barrels.
• Weighs barrel on floor scale to determine weight.
• May clean mixers, scales, kettles, and work area, using rags and solvent.
• May pack and seal products in wooden cases and label cases and barrels.