A professional who performs any combination of following tasks involved in coremaking. Respnsibilities include:

• Pastes core sections together to form completed core.
• Brushes, dips, or sprays solution, such as graphite, on cores to produce smooth finish.
• Carries and loads cores into oven.
• Piles cores on racks for drying.
• Carries sand to coreroom.
• Forms core reinforcing rods and wires into specified shape by hand or by machine.
• Pulls wires and rods from finished castings, using pliers, hammer and chisel, and special hooks.
• Dresses cores, using handtools or power tools, such as files, scrapers, and grinding wheel.
• May fill cracks in surface of core with putty or patching sand, using putty knife.