A beam is a structural member that spans horizontally between supports, carrying vertical loads. Beams can be made of wood, steel, concrete, or other materials.
A truss is a type of beam that consists of a series of interconnected triangles. Trusses are designed to carry heavy loads over long spans, using less material than a traditional beam of the same length. Trusses are commonly used in roof and bridge construction, as well as in the design of tall buildings.
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