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MediaDB / «How to get resin, tar, turpentine, rosin, wood alcohol and essential oils" P. Vlasov: download fb2, read online
About the book: 1928 / Everyone knows that wood (is used for buildings and fuel, that from Wood is used to make furniture, parts of cars, carriages and all kinds of crafts that are absolutely necessary in everyday life. All this is achieved through mechanical processing of wood. But this is not all of wood that we use in households and especially in industry. And many people don’t even know that the tree gives us these products, nor do they know how these products are extracted. Meanwhile, this area is very interesting and quite accessible to everyone. . These products are extracted through chemical processing of wood, through the so-called dry distillation of wood. Note OCR: Recommended for "hoarders"." ;))