A professional who tends blower-type coremaking machine to produce sand cores. Respnsibilities include:

• Removes sand and particles of dirt from pattern with compressed air or brush.
• Places core box over pattern on bed of machine.
• Pulls lever or depresses pedal to blow and compact sand in core box.
• Places plate or drier on top of core box and turns box over.
• Lifts core box from core and lifts core from machine.
• May position reinforcing wires in core box before blowing in sand.
• May perform only one of above operations on revolving, multiple station, blower-type coremaking machine.
• May tend automatic blower-type coremaking machine and clean, glue, and rack cores as they are ejected from machine.
• May tend machine equipped with double core box and glue and clean cores from one box while machine forms and cures cores in other core box.