machine moulding

noun
  1. engineering the process of making moulds and cores for castings by mechanical means, usually by compacting the moulding sand by vibration instead of by ramming down
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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