A professional who tends electrically powered machine that winds wire, under tension, around rotating steel cylinders to form reinforced cores for concrete pipe. Respnsibilities include:

• Signals overhead crane operator to position cylinders between chucks of machine.
• Pulls levers to engage and secure cylinder in chucks.
• Signals arc welder to weld end of wire to cylinder.
• Starts machine to wind wire on cylinder when signaled by tensioning-machine operator.
• Signals arc welder to weld ends of wire to cylinder.
• Pushes levers to release from cylinder chucks, and signals industrial-truck operator to remove cylinder from machine.