A professional who sets up and operates one or more automatic stone polishing machines to polish monument tops. Responsibilities include:

• Studies diagram of monument to determine diamond polishing wheel required and attaches wheel to machine, using handtools.
• Measures length and width of monument top and sets dials to control width and length of travel of polishing head.
• Moves stone under head of machine and levels stone, using spirit level, wooden blocks and wedges.
• Positions polishing wheel on top of monument, turns valve to start flow of water, and pulls switch to start polishing wheel.
• Observes ammeter to determine load on motor and turns dial to adjust current according to reading.
• Observes operation of machine and adjusts dials and switches to regulate speed of machine and length and width of travel of polishing wheel.
• Feels stone to determine progress of polishing and rolls stone from under wheel when polishing is completed.
• Signals overhead crane operator to pick up stone.
• Lubricates machine, using grease gun.
• Inspects inventory of diamond polishing wheels and notifies supervisor when wheels need replacing.
• May grind sharp edges from monuments, using portable grinding machine.