O has various meanings in the Online category. Discover the full forms, definitions, and usage contexts of O in Online.
Any part, such as a bolt, designed to fit into another part. External threads are male. A wood product such as a truss, beam, gluelam, microlam or joist which is manufactured out of smaller wood pieces and glued or mechanically fastened to form a larger piece. Often used to create a stronger member which may use less wood. also Oriented Strand Board.
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