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Why Does Wood Have A Grain?

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    The grain in wood is an impression that is produced and crafted by the bands or rings that grow around the trunk of the trees from which the wood came.   The pattern of these bands and rings actually signifies the age of the tree.  Each band or ring elucidates one year and the total number of bands and rings is actually the total age of the tree before it was cut down to obtain wood.

    However the rings and bands are not arranged in a regular pattern as the rate of growth of trees varies through every season.   In the closed-grained wood, which signifies the slow rate of growth of a tree, the rings produced on an annual basis are narrow and are packed quite closely together. As for the coarse-grained wood, in contrast to close-grained wood, the rings are broader and spaced more widely apart.  The shape and form of the rings and bands may vary from straight to spiral, from interlocked to wavy.
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    Mehreen83 

    answered 3 years ago

         
         

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