A professional who operates hoop-flaring-and-coiling machine to coil and flare strips of hoop steel to fit barrel. Respnsibilities include:

• Turns setscrews that adjust distance between rolls to obtain specified diameter and flare of hoop, using wrench.
• Starts machine and feeds end of strip into rolls of machine that coil and flare strip.
• Removes coiled strip from machine and stacks it on floor.