A professional who supervises and coordinates activities of workers engaged in refining scrap solder and tin and lead alloy with refined scrap to make solder. Respnsibilities include:

• Directs workers in weighing tin, lead, and scrap solder and in refining operations.
• Molds and weighs test piece to compute ratio of tin and lead in refined metal.
• Computes amounts of tin, lead, and refined solder to be used in making solder according to formula.
• Directs workers in melting and mixing metals in melting pot, molding solder, weighing, recording weights, and packing.
• Performs other duties as described under supervisor master title.