A professional who tends steaming cabinet that conditions (sets twist or preshrinks) yarn with steam. Respnsibilities include:

• Loads trays or racks of yarn on handtruck and pushes yarn into machine.
• Turns knobs to set time, temperature, and humidity controls, according to specifications.
• Turns valve to admit steam into cabinet.
• Removes yarn from conditioner at end of steaming cycle.
• May separate yarn according to size and grade.
• May inspect yarn for twist set and shrinkage.
• May record information, such as processing temperature, weight, or type of yarn on work ticket.
• May tend machine equipped with conveyor that moves yarn through machine.