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• 10:16, 16 April 2023 Peter wood talk contribs created page Cluster knot (Created page with "Multiple knots in close proximity to each other, also known as cluster knots, occur when several small branches emerge from the tree trunk in close proximity and become embedded in the growing wood. As the tree grows, the knots become more pronounced and can be visible on the surface of the lumber. Cluster knots are more common in certain tree species, such as pine and spruce, and can affect the strength and appearance of the wood. The presence of cluster knots can weak...")