A professional who tends battery of machines that mill and brush cleaned rough rice. Respnsibilities include:

• Starts machines, such as shelling stones, rice hullers, paddy separator, and rice brush.
• Turns feed controls to regulate flow of rice into series of machines that automatically hull rice, separate hulled from unhulled rice, brush dust from hulled rice, and blow off bran.
• Examines rice visually and tactually, and adjusts machines to ensure standard product.
• Inspects machines to ensure efficient milling.
• Lubricates machines and makes minor repairs.