A professional who operates hydraulic press to build calender rolls used to make paper and textile imprinting and embossing machinery. Responsibilities include:

• Fits flange over end of shaft.
• Hoists shaft into vertical position on hydraulic press, using crane.
• Places rings composed of paper, cotton, wool, and corn husks over shaft until shaft is full.
• Fits top flange onto shaft.
• Adjusts valves on hydraulic press, and starts pump to build up pressure.
• Monitors clock and gauges to ensure that pressure is maintained.
• Records weight of material put on shaft, measures length of material being compressed, computes density, and stops press when specified density is reached.
• Maintains pressure for prescribed time.
• Releases pressure and adds material to shaft as necessary.