The fact that the wooden structure require shrinkage has become known for a very long time. The shrinkage process is due to the fact that the tree decreases in size during moisture loss. The size of the grooves also decreases. Experts calculated that the shrinkage is approximately 10% of the total initial size. Therefore, even in ancient times, after cutting wood, they left it to dry. The process of drying could occupy several years, only after which houses and other buildings were built from wood.
Cutting wood, they
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