Anvil

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An anvil is a metalworking tool consisting of a large block of metal (usually forged or cast steel), with a flattened top surface, upon which another object is struck (or "worked"). Anvils are massive because having higher inertia allows them to more efficiently cause the energy of striking tools to be transferred to the work piece. In most cases an anvil is used as a forging tool. Before the advent of modern welding technology, it was the primary tool of metal workers. A great majority of modern anvils are made of cast steel that has been heat-treated by either flame or electric induction. Inexpensive anvils have been made of cast iron and low-quality steel, but are considered unsuitable for serious use, as they deform and lack rebound when struck.

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