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Heartwood vs. Sapwood

Feature Heartwood Sapwood
Characteristics Older, inner wood; usually darker Younger, outer wood; lighter in color
Function Provides structural support; no longer transports water Actively involved in the transport of water and nutrients
Composition Contains deposits like resins, oils, making it harder and more resistant to decay Free of such deposits, retains moisture
Use in Timber Often used for durable construction, furniture Primarily used where flexibility, workability is needed
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