[Answer] Which is a natural wood defect?

Answer: Knots

Most relevant text from all around the web:

Which is a natural wood defect? Understanding & working with wood defects | Woodworking ... Defects of Timber due to Defective Conversion Defects in Timber | Defect Types & Causes - Civil Engineering Natural Wood Defects During its lifetime a tree is subjected to many natural forces that cause defects in the wood . Woodworkers are quite familiar with these defects – knots splits ugly dark ... Defects in Wood Common Defects and Characteristics Found in Wood Wood is a natural material exposed to differing and unpredictable conditions as it grows wood often develops features which are undesirable to the woodworker . Defects due to Natural Forces; Defects due to Attack by Insects; Defects due to Fungi; Defects due to Defective Seasoning; Defects due to Defective Conversion; These timber defects are briefly discussed below. Defects in Timber due to Natural Forces. Knots: Knots are the most common defects caused due to natural forces. During the growth of a tree branches close to the ground or lower branches die. Common defects that occur in timber include knots shakes wind cracks upsets twisting cupping bowing rot and insect...

Disclaimer: 

Our tool is still learning and trying its best to find the correct answer to your question. Now its your turn, "The more we share The more we have". Comment any other details to improve the description, we will update answer while you visit us next time...Kindly check our comments section, Sometimes our tool may wrong but not our users.

Are We Wrong To Think We're Right? Then Give Right Answer Below As Comment