The internal cavities in the casting are prepared using
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The internal cavities in the casting are prepared using
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The internal cavities in the casting are prepared using core.
According to Wikipedia, 'A core is a device used in casting and moulding processes to produce internal cavities and reentrant angles (an interior angle that is greater. The core is normally a disposable item that is destroyed to get it out of the piece. They are most commonly used in sand casting, but are also used in die casting and injection moulding.'
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