A professional who supervises and coordinates activities of workers engaged in testing, facing, boring, cutting, and grinding asbestos-cement pipe. Responsibilities include:

• Directs and assists subordinates in machine setup to ensure conformance of product to specifications.
• Trains new workers in setup and operation of plant machinery and equipment.
• Performs duties as described under supervisor master title.
• May supervise workers engaged in fabricating specially designed shapes, such as elbows, bends, y's, junctions, and s-curves, and be designated molding supervisor.