Casting is one of the earliest known forms of metal working. In its most basic form, it involves heating metal until it is molten and then pouring it into a mold. As the metal cools it takes the shape of the mold. Early castings were crude in finish with a lot of surface anomalies that required a great deal of machine work to get the desired quality of surface texture.
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[Source: Arts and Entertainment: Visual Graphic Arts Articles from EzineArticles.com - Posted by FreeAutoBlogger]
Metal Art Casting
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