A professional who tends retreading mold that vulcanizes camelback (raw rubber tread) onto tire casing and molds tread design. Respnsibilities include:

• Places air bag of specified size inside tire, using tire-spreading device, and clamps tire into mold.
• Inflates air bag to specified pressure and heats mold to specified temperature to cook and mold tread.
• Removes tire after predetermined time and trims loose ends from molded tread, using knife.