A professional who scrapes metal workpieces with handtools to smooth machine ways, surface plates, and bearing surfaces to ensure free action of parts. Responsibilities include:

• Positions workpiece on worktable, in vise, or in fixture, and secures it with clamps and wrenches.
• Files and grinds burrs from workpiece.
• Applies pigment to surface plate with brush, cloth, or sponge.
• Positions workpiece and surface plate against each other, rubs one surface against other to determine high spots.
• Selects hand scraper and scrapes workpiece surface to remove high spots indicated by pigment pattern.
• Repeats operation until pigment pattern is even over work surface.
• May inspect workpiece for conformity to specifications, using such instruments as dial indicator, height gauge, master, surface plate, and gauge blocks.
• May use powered hand scraper.
• May polish and buff steel articles, using portable polisher or buffing brush.