A professional who tends equipment that permanently fixes warp and filling threads in woolen and worsted cloth to prevent uneven shrinkage during subsequent processing. Respnsibilities include:

• Sews end of cloth to leader, using portable sewing machine, or threads cloth between rollers and through vats.
• Wraps end of cloth around takeup roll or guides end through swing-folding attachment and onto handtruck.
• Turns valves to admit water to vats and to regulate temperature controls, according to specifications.
• Turns setscrews to adjust pressure of top roller.
• Starts machine and turns knobs to regulate flow of cloth through vats of boiling water.
• May doff machine.