A professional who operates machine to remove dents from metal barrels. Respnsibilities include:

• Positions barrel on lower die of machine, aligning bunghole under water spout of machine.
• Turns side dies of machine to align contour of dies with contour of barrel ends.
• Presses switch that closes side, top, and bottom dies around barrel.
• Pumps water into barrel, forcing walls of barrel against dies and removing dents.
• Stops pump and opens dies after specified water pressure has been attained.
• Examines surfaces of barrel to verify smoothness.
• Pushes barrel from lower die onto conveyor.
• May drain de-dented barrels, pressurize barrels with air, and place barrel in water tank to detect leaks.