casting

casting is 

Metal casting is the pouring of liquid metal into a mold, which has a hollow cavity in a desired shape. The liquid metal is then allowed to cool and harden. The now-solid casting is then ejected from or broken out of the mold

and casting types is 

1-expendable mold casting

 sand casting 

shell molding


investment casting 


Carbon Dioxide Mold Casting


lost foam casting 


Plaster Mold Casting


Ceramic Casting