A professional who tends equipment that washes and squeezes devulcanized scrap rubber to remove caustic materials used in devulcanization process. Respnsibilities include:

• Starts pumps or opens chute to feed devulcanized rubber onto vibrating screen conveyor.
• Turns valves to adjust spray that washes rubber.
• Observes screen that filters rubber residue from wash water to detect clogging of holes.
• Opens hopper chute to feed washed material into screw press or between rollers that squeeze out water.
• Feels pressed material to estimate remaining moisture content and turns handwheels to adjust squeezing action of screw press or dewatering rollers.