A professional who tends equipment that forces viscose fluid between two adjustable metal bars and into acid bath that coagulates fluid into continuous sheet of cellophane. Respnsibilities include:

• Reads gauges and observes image on video display screen to ascertain thickness and uniformity of cellophane sheet.
• Turns clamp nuts, using wrench, to adjust bar gap to produce sheet of specified thickness and uniformity.
• Turns valves and starts pumps to regulate flow of viscose.
• Maintains log of operating conditions and output of casting machine.