A professional who tends mixing tanks and auxiliary equipment to combine acids or other specified liquid ingredients to produce solutions for manufacturing explosives, such as nitroglycerin, tetryl, and TNT. Respnsibilities include:

• Pumps specified liquids through metering or weighing tanks into mixing tank.
• Starts tank agitator to mix ingredients for specified time.
• Draws samples of product for laboratory analysis and transfers additional ingredients to tank until product meets plant standard.
• Pumps mixed product to storage, tank cars, or other processing units.
• May turn steam or coolant valves to heat or cool product during mixing, maintaining temperature in equipment within prescribed limits as indicated by tank thermometer.
• May maintain records of mixing time, gauge readings, and number of batches produced for shift log.
• May be designated according to product produced as Ammonium-Nitrate Neutralizer; Dimethylaniline-Sulfator Operator.