A professional who supervises and coordinates activities of workers engaged in operating coating machines to sensitize blueprint and photographic paper. Respnsibilities include:

• Sets up machine and adjusts roller speed and drying temperature.
• Reads gauges and graphs and inspects control mechanisms to verify machine setup.
• Adds chemical ingredients, such as solvents and neutralizing agents, to solution as specified by quality control test reports.
• Performs other duties as described under supervisor master title.