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A sound knot is a knot in lumber that is solid and firmly fixed in place, and does not fall out or affect the strength or durability of the surrounding wood. It is a natural occurrence caused by a branch that has been fully encased by the growth of the tree's trunk, creating a tightly knit, dense portion of wood. | A sound knot is a knot in lumber that is solid and firmly fixed in place, and does not fall out or affect the strength or durability of the surrounding wood. It is a natural occurrence caused by a branch that has been fully encased by the growth of the tree's trunk, creating a tightly knit, dense portion of wood. | ||
[[File:TightKnot.jpg| | [[File:TightKnot.jpg|thumb|70xp|right|Tight Encased Knot('''right''')]] | ||
[[File:Westminstpalace.jpg|thumb|70px|right|Figure 1.1 ('''right''')]] |