A professional who tends equipment that cools and solidifies paradichlorobenzene preparatory to storage, shipment, or further processing. Respnsibilities include:

• Pumps chemical into water-jacketed molds and turns valve to circulate chilled water through jacket and solidify material.
• Opens valve to admit steam to jacket to loosen crystallized product for removal.
• May break solidified product into smaller pieces preparatory to crushing, using wooden stick.
• May tend crusher to granulate product.
• May fill containers with crushed product and transfer containers to storage or shipping area, using handtruck.