admin Posted March 1, 2019 Report Share Posted March 1, 2019 What special property should a sand have for use in moulding to make non-ferrous castings, grey iron castings and steel castings? Why is it that a pattern is made in two or more pieces ? You can write the answer and upload relevant images to justify the answer (if required) Let's together discuss and contribute in making the best answer Link to comment Share on other sites More sharing options...
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