Any of the various imperfections that can be observed in lumber and wood products, such as checks, splits, knots, crooks, bowed wood, machine burns, sap-stain, blue-stain, cupped wood, twists, and wormholes.
- case hardening (wood defects)
- wood anomalies
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RDF/XMLCreated 2006-01-19, last modified 2018-09-07