Shin·gling n.
 1. The act of covering with shingles; shingles, collectively; a covering made of shingles.
 2. Metal The process of expelling scoriae and other impurities by hammering and squeezing, in the production of wrought iron.
 Shingling hammer, a ponderous hammer moved by machinery, used in shingling puddled iron.
 Shingling mill, a mill or forge where puddled iron is shingled.

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