A professional who tends machines that clean and grind samples of grain to obtain flour samples for testing. Respnsibilities include:

• Pours grain into machines to remove chaff, dirt, undesirable seeds, and determine moisture content.
• Dumps cleaned grain into mill hopper to grind wheat into flour.
• Dumps flour into machine to sift it into standard flour samples.
• Dumps samples in container and records identifying data for laboratory information.
• May perform chemical tests on grain and flour samples.