A professional who controls equipment, such as spray line, oven, conveyor, and winding reel to produce transparent plastic wrapping material from prepared chemical solutions. Respnsibilities include:

• Opens valves to spray solution from bank of spray nozzles onto moving conveyor.
• Observes gauges and adjusts controls to regulate oven temperature, spray rate of solution, and conveyor speed to produce sheeting of specified thickness and quality.
• Examines sheet material and inserts marker in spooled material to indicate defective areas.
• May control operations from remote-controlled panelboard.
• May send sample piece of material to laboratory for analysis.
• May examine thickness and clarity of material, using micrometer and illuminated viewing panel.
• May operate solvent recovery unit.