A professional who tends machine that squares and smooths edges of plastic floor tile. Responsibilities include:

• Adjusts guide shoes for squareness, using wrenches and tile gauge.
• Places stack of tile on table of machine.
• Taps edges with mallet to align tile edges against guide shoes.
• Presses buttons to engage guide shoes and move stack of tile between grinding wheel.
• Rotates tile on table to grind edges.
• Places finished tile on conveyor.