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Sculpture is a type of fine art, the works of which have a three-dimensional form and are made of solid materials by carving, removing excess from the initial mass of a stone or other block

What is another name for a swing?
A swing-balancer (also a swing-board, rocking chair) is a kind of “staggering” swing for two or more people in the form of a long beam suspended in the center of gravity on a hinge so that it can swing in a vertical plane.