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Wood main physical properties The main physical properties of wood include: color, luster, texture, macro-structure, odor, moisture, shrinkage, internal stresses, swelling, cracking, warping, density, sound - electro - thermal conductivity. Сolor, shine, texture and macrostructure determine the appearance of wood. Wood of different breeds have different color - from white - aspen, spruce to black - ebony. Tannins, resin and pigments, founded in cells cavities, make wood more colourfull. Wooden house of pine in pine forest: Timber gloss - is the ability to reflect light beam pointedly. It depends on ... more