A professional who replaces plugs used to form inside diameter of seamless tubing in rolling mill machines. Respnsibilities include:

• Screws specified plug on end of rolling-mill mandrel with tongs or positions plug in trough of rolling mill, using hoist, preparatory to forming tube.
• Removes hot plug with tongs or hoist after tube has been rolled.
• Immerses hot plug in bosh tank for cooling.
• Moves controls to charge and discharge pipe shells from reheating furnace.