Columns are used to provide support to beams stretching over long spans. Columns are used to provide support and stabilize the beams weight and prevent sagging.
Steel beams are designed to support and stabilize floors or structures.
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Columns are used to provide support to beams stretching over long spans. Columns are used to provide support and stabilize the beams weight and prevent sagging. 
Steel beams are designed to support and stabilize floors or structures.