A professional who tends range that reduces and chars vegetable matter in woolen fabrics to facilitate removal of matter. Respnsibilities include:

• Pushes trucks of cloth into feeding position and sews cloth end to lead cloth, using portable sewing machine.
• Turns handwheels to adjust width guides and tension devices according to width of cloth.
• Turns valves to admit water and acid into wet-out and carbonizing troughs.
• Sets thermostat to control temperature in charring unit.
• Starts range and turns handwheel to regulate movement of cloth through range, according to weight of fabric.
• Tests strength of acid solution by titration or with hydrometer.
• Admits water or acid into carbonizing trough to maintain uniform strength of carbonizing agent.
• Records titration results or hydrometer readings, style number, and yardage of cloth processed.
• Cleans lint from filters of charring unit, using vacuum hose.