A professional who tends molding press or mold heating equipment to form lenses, such as speedometer and instrument faces or automotive lenses, such as taillights from glass rods, sheets, or disks. Respnsibilities include:

• Forms lenses by either inserting heated glass rods in press mold and activating ram to press shape, or placing glass disks, preformed or cut from sheet, in mold and inserting mold in furnace to melt glass to shape of mold.
• May place weights on glass in mold to prevent warping during cooling.
• May preheat glass in oven to improve workability.