A professional who tends heating and vacuum equipment to cure preformed plastic parts. Respnsibilities include:

• Positions part in plastic bag and seals bag with hot iron.
• Inserts vacuum tube in bag and seals bag around tube with tape.
• Places part on cart, connects vacuum line to tube to remove air from bag, and smooths bag around part with brush to ensure complete vacuum.
• Pushes cart into curing oven or places part in autoclave.
• Sets oven controls or turns air-pressure valve of autoclave, as specified, to cure part.
• Removes part and cuts away plastic bag, using knife.
• May form part by positioning plastic sheet and mold in plastic bag, heating sheet under lamps, and forcing conformation of sheet to mold by vacuum pressure of bag.
• May impregnate fabric with plastic resins and cut fabric into strips for use in laminating preformed part.