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threshold: A strip of wood or metal with beveled edges uses over the finish floor and the sill of exterior doors. topography: Usually refers to site characteristics such as contour of the land, trees, or other natural features. transom: A window placed above a door or permanent window which is hinged for ventilation. tread: The horizontal board in a stairway on which the foot is placed. trim: The finish materials in a building, such as moldings, applied around openings (window trim, door trim) or at the flor and ceiling of rooms (baseboard, cornice). truss: Structural members arranged and fastened in triangular units to form a ridge framework for support of loads over a long span. |
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