A professional who tends machine that mixes abrasive compounds for use in making polishing and buffing wheels, and hones. Respnsibilities include:

• Calculates amount of grit, clay, and adhesive required according to formulas.
• Weighs out ingredients, dumps ingredients into mixing machine, and starts mixing machine.
• Feels mixture and adds water and resins until specified consistency is attained.
• Scoops mixed compound into oscillating sieve to screen out lumps and oversized granules.
• Dumps compound into barrels for further processing.
• Records quantities of ingredients used in each mix.