A professional who supervises and coordinates activities of workers engaged in cutting fiberglass sliver into staple lengths, bonding staple lengths into mats of insulation material, waxing strands of fiberglass yarn together to form cord, dyeing sliver for tracer yarn, and winding strands of sliver into roving. Responsibilities include:

• Examines product and observes processing operations to detect machine malfunctions.
• Determines cause of malfunction, using knowledge of machines and processes in department.
• Directs creelers to increase or decrease number of fiberglass ends fed to staple-cutting machines, mat machines, or winding machines, according to specifications for various products.
• Trains new workers.
• Requisitions supplies.
• Confers with other supervisors master title to coordinate activities of individual departments.
• Performs other duties as described under supervisor.