A professional who tends equipment to transfer surplus yeast from fermenting cellar to storage tanks in yeast drying plant. Respnsibilities include:

• Couples hose between yeast tank and flow lines, using wrench.
• Opens valves on line to effect uninterrupted flow.
• Notifies yeast plant to prepare to receive yeast.
• Opens gravity-feed outlet valve to permit yeast to drop into storage tanks.
• Climbs into tank to spray yeast residue with water and pushes it to outlet to complete transfer, using water hose and paddle.