A professional who tends machines that coat continuous rolls of wire, strips, or sheets with wax, paint, rubber, asphalt, or other coating material. Respnsibilities include:

• Places roll of material onto feed spindle of machine.
• Threads end through feed and guide rolls into dipping vat or onto transfer roll and through drying oven and attaches it to rewind spindle.
• Fills boxes or vats with coating solution, such as asphalt or liquid rubber.
• May sew, crimp, or staple ends of material to form continuous roll.
• May be designated according to impregnating material used as enamel-machine operator; varnishing-machine operator; waxing-machine operator.