A substance known as plywood is created by adhering thin "plies" or layers of wood veneer together while rotating the wood grain of the neighbouring layers by up to 90 degrees. It belongs to the family of produced boards, which also includes particle board, oriented strand board, and medium-density fiberboard (MDF) (chipboard). All Plywood combine wood fibre sheets with resin to create a composite material with long, robust, and thin cellulose cells. Cross-graining, the alternation of the grain, provides numerous major advantages, including a decreased tendency for wood to split when nailed at the edges, a reduction in expansion and shrinkage, which improves dimensional stability, and a consistency in the panel's strength in all directions.
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