A professional who tends machine that rolls metal ribbon into coils and solders seams of coils to form conduit tubing. Respnsibilities include:

• Mounts reel of brass, copper, or steel ribbon and reel of soldering wire on machine.
• Feeds metal ribbon and soldering wire into machine.
• Starts machine that pulls metal ribbon through series of dies to form coil, joins flanged edges of coil, and solders seams of tubing.
• Removes empty reels from machine.