A professional who tends machine that presses and curls brims of fiber helmets. Respnsibilities include:

• Inserts crown of helmet in lower die on bed of machine.
• Pushes button or lever that raises and presses die and helmet against upper die to curl brim.
• Pulls or presses button lever to lower die and removes helmet.
• May turn switches and valve controls to start cooling unit in lower die and activate heating element in upper die.