A professional who tends machine that winds asphalt-coated roofing felt into rolls of specified length and width. Respnsibilities include:

• Threads felt through feed rollers and inserts end in takeup reel.
• Starts machine that automatically weighs and ejects completed roll after specified weight has been wound.
• Depresses pedal to activate knife that severs roll from continuous feed after specified weight has been attained.
• May change gears to vary size and weight of rolls, using handtools.