A professional who forms rubber wax injection molds by vulcanizing pieces of rubber around metal sample. Respnsibilities include:

• Places metal sample into frame and packs raw rubber around sample.
• Clamps sample, frame, and rubber into vulcanizing machine.
• Turns on machine, waits specified time, and removes mold from machine.
• Splits mold into two pieces to remove metal sample, using knife or scalpel.
• Inspects mold for defects.
• May form investment molds around wax patterns.
• May operate centrifugal casting machine.
• May burn grooves or crevices in mold to correct defects, using soldering gun.