A professional who tends equipment that separates zinc chloride from slag. Respnsibilities include:

• Breaks up slag, using sledgehammer.
• Loads slag into water-filled tank, using hoist.
• Agitates solution to dissolve zinc chloride from slag, using airhose.
• Determines specific gravity and acidity of solution, using hydrometer and chemical reagents.
• Pumps impurities from solution through filters.
• Samples solution and observes its color to determine need for additional reagents and agitation.
• Pumps treated solution to tank cars or drums.
• Cleans sediment from equipment, using shovel and water hose, and replaces filter cloths.