A professional who operates mixing, screening, and milling machines to process salt. Respnsibilities include:

• Installs specified size screens and rollers in milling machine, using handtools to obtain salt crystals of designated sizes.
• Opens chute to admit salt into milling machine and starts machine.
• Brushes oversized salt from vibrating screen to prevent clogging.
• May be designated according to salt product being milled as miller, kiln-dried salt.