A professional who tends turnover draw-type coremaking machine that makes sand cores for use in casting metal. Respnsibilities include:

• Clamps core box over die on front table of machine, and partly fills core box with sand from overhead chute, or by using hands or shovel.
• Depresses pedal to open compressed-air valve that causes table to rise and fall with series of jolts, to compress sand in box.
• Positions reinforcing wires in sand, fills box with sand, and repeats jolting.
• Tamps sand into core box with hand or pneumatic tool.
• Removes excess sand from top of core box with hands or straightedge and clamps metal plate to top of box.
• Pulls lever to roll front table over and deposit box top down on rear table.
• Pushes rear table down to withdraw core from core box and lifts core from machine.