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wood

A load-bearing staircase frame built of wood from trees.

A wood staircase is a set of steps in a built object whose supporting framework is built of wooden beams, posts, sheets, boards, or other pieces harvested from trees and usually milled. Wooden staircases are very common in houses and all kinds of wood-frame structures. They are relatively inexpensive and easy to build, and are sometimes used for aesthetic effect to create a warm, homelike, or naturalistic feeling.

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