A professional who tends machine that drives and tightens bottom hoops on buckets and tubs. Responsibilities include:

• Adjusts height of table by adding or removing iron plates from table.
• Sets bucket or tub on table with bottom up and lays hoop over and around bottom.
• Centers bucket or tub under driving head of machine and presses on pedal that lowers driving head on hoop, forcing it in place.
• Releases pedal to raise driving head and removes bucket or tub from machine.