| Scab | ||||
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| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Definition: An imperfection consisting of a thin, flat piece of metal attached to the surface of a sand casting or ingot. A scab usually is separated from the casting proper by a thin layer of sand or refractory and is attached to the casting along one edge. An erosion scab is similar in appearance to a cut or wash.
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