A professional who tends machines that pulverize chopped tobacco into snuff and sift snuff through screens to remove oversized particles. Respnsibilities include:

• Presses button to start hammer mill and observes operation of machine to ensure that tobacco is being pulverized into snuff, according to company specifications.
• Pushes lever to start screener vibrating to sift pulverized snuff.
• Picks up and rubs handful of snuff between hands to verify that oversized particles have been removed.
• Adjusts hammer mill or changes filter on screener as needed, using handtools.
• Observes flow of snuff through screw-type conveyor to ensure that sufficient amount of snuff is fed to packing machine from screener.