Adjusts controls of oil burner to melt lead at specified temperature. Sets pressure regulators to supply specified quantity of carbon dioxide to lead pot to eliminate formation of explosive mixture and observes process to detect leaks. Turns screw feed controls to regulate flow of scrap materials into molten lead. Adjusts controls on condensers which automatically recover monomer from solvent and pumps cracked monomer to storage tanks. Dismantles lead pot.
Drains lead into molds.