A professional who tends machine that coats twine with tar to strengthen and waterproof twine. Respnsibilities include:

• Pours tar into tarpots.
• Creels machine with bobbins of twine.
• Removes tarpot roller and threads ends of twine through tarpot and strippers and attaches ends to takeup bobbins.
• Replaces tarpot roller and starts machine.
• Observes operation to detect malfunctions, such as broken and tangled twine, and to ensure that specified amounts of tension and tar are applied to twine.
• Doffs tarred bobbins of twine.