Cross section of the barrel: bark, sapwood, core, core. Sapwood, core The wood of the forest species is usually light coloured. In some species the whole mass of wood is painted in one color (alder, birch, hornbeam), while in others the central part is darker (oak, larch, pine). The dark part of the trunk is …
Wood is one of the most widely used materials with a long history of application in flooring, construction and furniture manufacturing. It is unlikely that anyone will be surprised by such properties of wood as eco-friendliness, high strength, low density, low thermal conductivity and low coefficient of linear expansion. Finally, it is impossible not to …
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