Differentiate between two types of casting. Give examples of each.
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The modern casting process is subdivided into two main categories: expendable and non-expendable casting.
Expendable casting-
Expendable mold casting is a casting method that uses temporary or single-use molds. The most common forms of expendable mold casting are sand casting, plaster casting, investment (lost wax) casting, and evaporative pattern casting.
Non-expendable casting-
Non-expendable mold casting, as we may have guessed, refers to any casting process in which the mold is or can be reused. Some molds are stronger and better suited to withstand the hot temperatures of molten metal than others.
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