A professional who supervises and coordinates activities of workers engaged in batching, mixing, and melting raw materials to form molten glass, and in extrusion of fiberglass sliver. Respnsibilities include:

• Observes automatic batching, weighing, and mixing equipment, furnaces, and forming machines to detect malfunctions.
• Reads charts, gauges, and control panels to verify maintenance of specified air supply, gas to air ratio, and temperatures of furnace and bushings. Adjusts or repairs malfunctioning machines and furnaces.
• Performs other duties as described under supervisor master title.