A professional who sets up and operates planing machine to shape, smooth, and square surface of stone blocks and slabs. Responsibilities include:

• Positions stone block on machine bed, using hoist, and secures it in place on bed with clamps (dogs).
• Measures and marks stone, using pattern, tape measure, and marking pencil.
• Installs and adjusts cutting tool in machine chuck, using wrench, and starts machine.
• Pulls levers and turns wheels to regulate cutting speed and depth of cut.
• Cuts specified design by hand in portion of stone that cannot be cut by machine, and smooths edges of stone, using mallet, chisel, and file.
• May shape and sharpen cutting tools on grindstone according to specifications.
• May replace worn or broken parts, using handtools, and lubricate machine.