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In page Sculpture:

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Wood is light, so suitable for masks and other sculpture intended to be carried, and can take very fine detail. It is also much easier to work than stone. It has been very often painted after carving, but the paint wears less well than the wood, and is often missing in surviving pieces. Painted wood is often technically described as "wood and polychrome". Typically a layer of gesso or plaster is applied to the wood, and then the paint is applied to that.[citation needed]