A professional who tends machines that wax fiberglass yarn under pressure. Respnsibilities include:

• Positions bobbins of yarn over perforated spindles in waxing kettle and pushes levers to force pressure caps onto bobbins and lower and lock lid onto kettle.
• Turns valves to start flow of wax from melting tank into reservoir and to regulate steam to maintain specified temperature.
• Starts automatic waxing cycle and pump that forces wax through spindle onto yarn.
• Observes thermometer and gauges to determine temperature and level of wax.
• Removes bobbins of waxed yarn from kettle and places bobbins on cart.
• Places chunks of wax in melting tank to maintain specified level in reservoir and tank.