Some of the factors that affect timber properties are familiar to anyone who has worked with wood. They include density, knots, and character of grain. It is easy to imagine that density equates to the amount of strength-giving material. Similarly, itis easy to imagine that wide growth rings equate to fast growth and, as a result, low density. However, like many things in life, the truth is a bit more complicated than what is immediately obvious. Most notably, density does not tell the whole picture, as it depends how the strength-giving material is arranged and composed.
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