A professional who tends iron launders that precipitate copper from solution. Respnsibilities include:

• Signals overhead crane operator to load launders with shredded tin cans (iron).
• Starts pumps and turns valves to regulate flow of solution through series of launders to ensure maximum precipitation of copper.
• Measures copper content of solution at various stages of processing by titration tests.
• Adds iron to launders to maintain maximum recovery of copper.
• Excavates precipitated copper from launders and cleans tanks.
• Keeps record of titration tests.