A professional who feeds devulcanized scrap rubber stock into agitator tanks that wash it to remove caustic substance. Respnsibilities include:

• Shovels specified amount of stock into tank of water and starts mechanical agitator.
• Shovels washed stock onto conveyors leading to drier or into dewatering device that squeezes moisture from stock.
• May adjust dewatering device, using wrench.
• May pump washed stock into vibrating screen to facilitate removal of moisture.