A professional who operates machine to spray melted glass fibers onto products, such as boat hulls and lawn furniture. Respnsibilities include:

• Feeds strands of raw fiberglass into machine, monitors gauges, and moves controls to obtain specified temperature, pressure, and flow rate of molten glass through spray jets onto article to be coated.
• Cleans and adjusts machine, according to maintenance schedule or instructions from supervisor, using handtools and prescribed cleaning agents.