A professional who tends machines that clean, grade, and polish rice. Respnsibilities include:

• Turns wheels of feeder box to regulate amount of rice on cleaning screen.
• Adjusts air valve to regulate air draft that removes dust and straw from rice on screen.
• Regulates air suction in aspirator that cools rice and removes bran.
• Observes rice passing through reels that separate brewer's rice (broken grains) from rice screenings (larger broken grains) and head rice (whole grains).
• Adjusts rice grader to ensure required separation of rice screenings from head rice.
• Tends machine that mixes water and corn syrup used as rice polish.
• Opens outlet in mixer to permit polish to flow into auger mixer and polish rice.