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in a gating system. Remove the pattern.
#Fill the mold cavity with molten metal.
#Allow the metal to cool.
#Break away the sand mold and remove the casting.

Components

Patterns

From the design, a pattern maker builds a pattern of the object to be produced, using wood, metal, or a plastic such as expanded polystyrene. Sand can be ground, swept or strickled into shape. The metal to be cast will contract during solidification,

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