A professional who tends rotary furnace that roasts sulfur or other materials to liberate gases for use in processing chemical products. Respnsibilities include:

• Weighs materials to be roasted and scoops or dumps specified quantity into furnace hopper.
• Starts revolution of furnace, consisting of hollow cylinder mounted between power-driven rollers.
• Observes thermometer and turns fuel or steam valves to maintain specified temperature in furnace and efficient roasting of materials.
• Shuts down furnace after roasting is completed and assists other workers in cleaning and preparing furnace for subsequent operation.
• May adjust and repair furnace, using handtools.
• When roasting sulfur for use in production of sulfuric acid, is designated Sulfur Burner.