A professional who tends steam-heated machine that sets crimp in synthetic fibers used in high-bulk yarns. Responsibilities include:

• Lifts cans of sliver onto loading track of machine, by hand or using hoist.
• Starts machine that automatically loads, steams, vacuum dries, and unloads sliver.
• Removes cans of sliver from track on delivery side of machine.
• Feels sliver to determine if moisture has been removed.
• Inserts thermometer in can of sliver periodically to verify that fiber is being heated to specified temperature.