A professional who sprays finish coat of enamel onto cast-iron sanitary units, such as bathtubs and sinks and bakes unit to provide permanent finish. Respnsibilities include:

• Wheels units into furnace for preheating, using steel fork mounted on overhead conveyor.
• Observes color of unit through window in furnace to determine when desired temperature has been reached.
• Removes unit from furnace and sprays powdered enamel over it, using pneumatic gun.
• Returns unit to furnace to fuse and glaze enamel, repeating heating and enameling process until unit is coated without discolorations, blisters, or pinholes.