Set up, operate, or tend machines that extrude and form filaments from synthetic materials such as rayon, fiberglass, or liquid polymers.

Press buttons to stop machines when processes are complete or when malfunctions are detected.

Notify other workers of defects, and direct them to adjust extruding and forming machines.

Observe machine operations, control boards, and gauges to detect malfunctions such as clogged bushings and defective binder applicators.

Load materials into extruding and forming machines, using hand tools, and adjust feed mechanisms to set feed rates.

Move controls to activate and adjust extruding and forming machines.

Observe flow of finish across finish rollers, and turn valves to adjust flow to specifications.

Remove polymer deposits from spinnerettes and equipment, using silicone spray, brass chisels, and bronze-wool pads.

Press metering-pump buttons and turn valves to stop flow of polymers.

Record operational data on tags, and attach tags to machines.