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Beech is a popular hardwood
Beech is a popular hardwood
SEM images showing the presence of pores in hardwoods (oak, top) and absence in softwoods (pine, bottom)
SEM images showing the presence of pores in hardwoods (oak, top) and absence in softwoods (pine, bottom)
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A knot on a tree trunk
A knot on a tree trunk
Wood knot in vertical section
Wood knot in vertical section
A section of a yew branch showing 27 annual growth rings, pale sapwood, dark heartwood, and pith (center dark spot). The dark radial lines are small k
A section of a yew branch showing 27 annual growth rings, pale sapwood, dark heartwood, and pith (center dark spot). The dark radial lines are small knots.
Cross-section of an oak log showing growth rings
Cross-section of an oak log showing growth rings