A professional who lines bearing surfaces of metal workpieces with babbitt (tin alloy) to reduce friction and wear. Responsibilities include:

• Melts metal in pot or ladle.
• Positions workpiece in fixture, and heats with torch.
• Pours molten metal from ladle or pot into fixture.
• Smooths and shapes bearing surfaces to match contours, using hand scraper.
• May apply acid to workpiece and dip it in molten tin to coat surface preparatory to babbitting.