A professional who tends machine that extrudes rubber compound to produce strands for use in making elastic yarn. Respnsibilities include:

• Adjusts valves to regulate and maintain specified flow of rubber compound and size of extruded strand.
• Separates strands in acid bath with tweezers and places strands on rollers leading to curing oven.
• Cleans and replaces nozzles.
• Fills feed tank with liquid-rubber compound.