Úsese generalmente para objetos hechos de acero, y especialmente para las estructuras de acero de alguna construcción, como edificios en altura o puentes. (es)
Refers to a building technique used primarily in bridges and buildings, in which a skeleton frame of vertical steel columns and horizontal I-beams are constructed in a rectangular grid. The grid is used to support the floors, roof, and walls of the building. The development of this technique made the construction of the skyscraper possible. (en)
Objecten gemaakt van staal, met name het geraamte van sommige constructies, zoals hoogbouw of bruggen. (nl)