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Casting can be defined as a process of manufacturing, which implies pouring of a ‘liquid’ material into ‘A Mold’ containing a desired shaped hollow cavity, and then made to solidify. The ejection or breaking out of the casting then takes place to get the process completed.
The use of casting is ‘forming hot liquid metals’ or numerous metals that are cooled after having the components like clay, plaster, concrete, and epoxies mixed. Complex shapes are normally made by casting, as other methods are not feasible. Casting came into being around 6000 years ago. ‘Copper Frog’ is the most ancient casting existing till date since 3200 BC. The process of casting has two distinct subdivisions: non-expendable and expendable mold casting.
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