A professional who tends screw, mechanical, or hydraulic press that forms clay into electrical porcelain ware, such as insulators. Respnsibilities include:

• Inserts die into bed of press.
• Pours moist, pulverized clay or ceramic powder into hopper of press.
• Starts press which deposits clay in die and lowers ram to form ware.
• Removes formed ware from die cavity and places ware on board for firing.
• May tend one or more presses that automatically form insulators.
• May inspect fired products to ensure conformance to specifications, using micrometer, go-not-go gauge, and microscope.