| ingot | A casting of pure metal intended for transport and reuse, usually oblong or disk shaped.
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| pectorals | Wide, biblike necklaces or plates worn over the chest area, part of costume or armor.
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| adobe | A brick made of earth and straw and dried by the sun.
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| occipital flattening | A flattening of the back of the head caused by hard crib boards in infancy. Noted among the Moche and many other Native American groups in the New World.
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| lost wax casting | A technique for creating detailed metal castings using wax as the mold. The molten metal replaces the wax and replicates the mold.
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| annealing | A process of repeated heating and cooling to make metal tougher and less brittle.
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| bronze | A mixture of tin (or arsenic) and copper that produced a harder metal. Produced in both the Old and New Worlds.
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| ethnographic | Ethnographyis the study and description of human societies. Ethnographers are anthropologists who study societies in a variety of places around the world.
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