A professional who caulks machine castings, using putty knife or trowel. Respnsibilities include:

• Measures out required amount of metallic plaster, and mixes it into paste of specified consistency.
• Applies paste to surface of machine castings, filling cracks and blowholes and leveling rough spots, using putty knife or small trowel.
• Allows putty to dry and sands plaster to smooth surface.