A professional who fills raw-stock-dyeing or bleaching machine with cotton, wool, or synthetic fiber, preparatory to dyeing or bleaching, and removes stock from machine. Respnsibilities include:

• Places rack in machine to support stock during processing.
• Opens bales and dumps or packs armfuls of loose fiber into machine.
• Closes machine lid and tightens lugs, using handtools.
• Removes rack of fiber after processing cycle, using power hoist.
• May dump premeasured amounts of dyes, bleaches, or other chemicals into tanks.
• May turn valves to admit steam into tubs.